Excessive oxygen readings in the exhaust will set lean codes. I repaired it in 45 minutes for under $5. 0L (L Reg) immobiliser problem: Mondeo Tddi 115 2001. To learn more, see reviews below or. Is your CEL (Check Engine Light) on. As its idleing however, the rpms fluctuate up and down erratically and then it'll smooth out for a few min and then it will begin again. Thankfully the check engine light hasn't flipped on, so I'm hoping this isn't an engine/plug/coil issue, which have been known to give my wallet a beating. 4L engine, run rough at idle but runs normally when placed in neutral? I changed the. he is bringing it to get it checked but the light keeps going on and. If a car has a check engine light on and has P0171 and P0174 codes stored, the most likely cause is a vacuum leak. My Mustang have a rough idle with a cold start. Suspect the latter hasnt worked and looking at replacing the EGR valve. This kind of picture (Rough Idle And "check Engine Soon" Light - Fixed | Ford Explorer with 2003 Ford Explorer Engine Diagram) above can be labelled having: 2003 ford explorer 4. 2002 Ford explorer Check engine light Codes- P0174 and P1151 rough idle, please advise. Check the INNER EDGE of your tires before the 2019 New Year; Auto Industry - New car sales for October down 4. Engines should run smooth and evenly when at idle, never fluctuating in rpm or dying. Check out all the fuel & emissions parts available on NAPA Online or trust one of our 17,000 NAPA AutoCare locations for routine maintenance and repairs. How to find a misfire without a check engine light using mode 6 OBDII scanner. For those of you that were at the Osh Kosh show over the weekend, Tony said he had a blast and I can't wait to see the picture of all the saleens including Jerry's TT S7 and Ford GT in front of the P51 Mustang!!!!! Anyways, I need some theories about a rough idle that developed in the XP8 just over the weekend. The list of problems with the truck. How To Fix Rough Idle When Warm? Most likely, the causes of rough engine idle crops from the basic functional components like direct fuel injectors, PCV valve, EGR valve, Oxygen sensors, vacuum leaks, air filter, and spark plugs. Intermittent fault - OCD I reading (Beeper) indicates EGR valve and sensor. Rattling noises from front left or rear right of the engine, but. Cartalk) submitted 3 years ago by ColCrockett The check engine light has been on for a couple of weeks but I just assumed it was an emissions thing and I'd take it to the mechanic for a tune up when I got the chance. My 1998 Explorer V6 SOHC, 124k miles, doesn't idle. This will work with all 4. 8L V10 Fords. If the air-fuel mixture becomes too lean and the engine computer can no longer compensate this condition by adding fuel, the engine computer (PCM) turns the "Check Engine" light (MIL) ON and sets the trouble code P0171 - System Too Lean for Bank 1 and (or) P0174 - System Too Lean Bank 2, depending on which cylinder bank is affected. No check engine light, Any thoughts?. What does this code mean anyway? The definition for this this P0171 code is Fuel Trim System Lean (Bank 1). I cleaned the IAC and the MAF, checked for leaks etc, but no success. The Ford Escape is a crossover SUV with fold-down seats and plenty of cargo storage space. Excessive oxygen readings in the exhaust will set lean codes. When a Ford vehicle displays a flashing Check Engine Light on the dashboard, this is an indication that your engine has a misfire. a 2006 Ford Explorer a. It often requires a trip to the repair shop to diagnose the problem causing the warning light. I have some major problems with my explorer. If you take the air filter out and idle the engine while holding your hand near the air tube you may feel a back flow when it misses. Rough idle no check engine light on starting to stall when making turns at low speed like in the drive thru radio lights flicker did not specify rpm, but sounds likely to be a idle control valve, it adjust engine rpm when a demand or load is apply like turning your wheel, so the engine dont die. If using 12Vdc circuit test light, pay careful attention to length of pauses in order to read codes correctly. Let me use an idle complaint that had me on the ropes as an example. Now it comes on again. 3 Ways To Check An Idle Air Control Valve Wikihow -> Credit to : www. Runs pretty rough on idle and misfire noted at 2000RPM. I have had no problems with this truck until recently. After scanning for codes, I got P0121 which is a faulty tps sensor. Solution: There a few known problems concerning rattling noises that occur at certain engine conditions: 1. Engines should run smooth and evenly when at idle, never fluctuating in rpm or dying. One of the most asked questions that I get each day is “my check engine light came on today, what can I do to turn it off”. Customer may also complain of rough idle, surging under light throttle, ignition misfire etc. About a week ago, I felt a notable jerk mid-acceleration. Left dealer and next day engine light came on. 9L wasn't a refined engine like the 3. Im just looking for ideas here because my friends 1993 Explorer has all of the above, Rough Idle, Rough Riding, Check Engine Light. Check Engine Light ON! - OBDII ERROR CODES - Trouble Codes WHAT NOW? Use at your own risk - we bear no responsibility for any injury or damage caused by the use of this information or advice. the vehicle diagnostics systems suggests the throttle body is not working properly. If a car has a check engine light on and has P0171 and P0174 codes stored, the most likely cause is a vacuum leak. Unsure if cracked head but not willing to put more money into project. A rough engine idle or stalling is a common complaint, but in some cases can be difficult to resolve. Engine Idle Is Too High Vacuum Leak. Top 10 Causes of a Rough Idle | JL Motorworks. The intake manifold O-ring gaskets commonly leak, which creates a large vacuum leak. New heads and gaskets. Watch how I fix a rough idle on my 2002 Ford Explorer Sport Trac! It had a vacuum leak caused by a weathered emission hose. a 2006 Ford Explorer a. engine codes. 0L Engine - The Ranger Station. Has a check engine light misfire. It went away after a few seconds. vehicle is stalling at red light and on the freeway and the check engine light came on. At idle it sputters and sounds more like a little boat engine to me. Ford dealer wants to replace with rebuilt engine. I t has 90,000 miles on it and idles kinda rough. 1997 Ford Explorer engine light blinking and rough idling 7 Answers. KOEO Codes. Took into dealer when check engine light came on. Check out all the fuel & emissions parts available on NAPA Online or trust one of our 17,000 NAPA AutoCare locations for routine maintenance and repairs. the vehicle diagnostics systems suggests the throttle body is not working properly. 9L wasn't a refined engine like the 3. ok i brought the car to chevy and since there is no check engine light they really couldnt find anything but they cleaned the throttle body and added cleaner stuff to the gas tank but still runs rough. The continuity check is to verify that none of the glowplug wires have shorted with any of the injector wires (at least on the Under ValveCover harnesses). 4L engine, run rough at idle but runs normally when placed in neutral? I changed the. What does this code mean anyway? The definition for this this P0171 code is Fuel Trim System Lean (Bank 1). Ford Check Engine Light Codes. See your Ford or Lincoln Dealer for complete details and qualifications. Ford Taurus Forum. Though the Ford Explorer can drive well on the highway and off-road, you may want to find a Ford Explorer parts catalog source to peruse for Ford Explorer performance parts in order to enhance your riding experience. Check engine light blinks and engine is running rough on a 2002 ford explorer? have vehicle scanned to determine the problem Check engine light comes on and it blinks no power on a f150?. The difference between a SOHC 4. The entire truck began to shake and the engine sounded like it was on the verge of dying. I've had my fair share of trips to the dealer for repairs and wasn't alarmed by a silly check engine light. 1997 Ford Explorer engine light blinking and rough idling 7 Answers. The Ford Explorer has been a popular SUV since it debuted in 1991. Look at your dashboard; if the check engine light is on in conjunction with idle issues, it may be because the idle control valve is malfunctioning. Ford Fusion Engine Problems See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. After scanning for codes, I got P0121 which is a faulty tps sensor. All engines at one time or another will have idle problems; Ford engines can have idle stumbling, surges and stall-outs, no matter what make and year. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. The check engine light is an irritation for many drivers, but it gives you essential information about your car and shouldn't be ignored. Unsure if cracked head but not willing to put more money into project. Customer may also complain of rough idle, surging under light throttle, ignition misfire etc. Rough Idle, Rough Riding, Check Engine Light 8 Answers. Ford Maverick no power!! Fiesta 1. com Hot to fix a misfire in under 30 minutes part 1 how to test a misfire problem ford 4 0l v6 why is my check engine light flashing and car shaking diagnosing a check engine light everything you need to know 4. The Ford Escape is a crossover SUV with fold-down seats and plenty of cargo storage space. KOEO Codes. When you see a blinking check engine light, it means something bad has happened to your engine. A check engine light on a Ford Explorer sometimes indicates a simple problem, such as a gas cap that needs tightening, or something more complex and expensive, such as a bad catalytic converter. P0171 is a very common code for any ODB2 vehicle. 1996 Buick LeSabre: check engine light on for a few days now, was burning A LOT of gas, stalling, very rough idle, almost jerking, then finally I tried to give it gas from a red light and it was very hard to push -I had to slam my foot down to get it to move and then pump it with my foot -figured it was time to quit putting it off. This article will show you what to do when that happens. My Explorer, stall sometimes when sitting at a red light, it seems to idle too low then dies. Another reason is a check engine light staying on while you are driving. Fortunately, there is a potential fix for this which can save a bunch of time and money otherwise spent. Noticed now Iam getting 12. One of the most asked questions that I get each day is “my check engine light came on today, what can I do to turn it off”. We took it in and the mechanic said it was the upstream o2 censors. Repair Information for P0171 Ford code. Blessings, Austin C. If you live in a state with vehicle emissions testing, this may be the reason why your car fails the test. KOEO Codes. Still idled rough. Here we have a P0301 cylinder misfire code on a Chevy 3. he is bringing it to get it checked but the light keeps going on and. I would encourage you to have them checked. Some 2004-2010 F-150, 2005-2010 F-Super Duty 250/350, 2005-2013 Expedition, Navigator and 2006-2008 Mark LT vehicles equipped with 5. 00 test to see if it is an exhaust valve. A garage and the Ford dealer cannot detrmine cause. 94 mercury sable cranks won't start, inject some carb cleaner and starts immediately, check engine light comes on , rough idle with some light black smoke, engine has no power but clears up and runs fine after driving several miles. vehicle hard to start runs poorly,rough idle,burning rich,throttle response [] data seems normal,fuel pressure good,good volume,spark good,removed o2 sensor to check for restiction no [] help,not a ford guy. Ford Maverick no power!! Fiesta 1. - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. a 2006 Ford Explorer a. If the check engine light then turns off, the code will be erased if the issue disappears and X criteria is met (something like either 50. Causes of a rough idle. The check engine light will come on and go off randomly while driving the truck around town and on the highway and does not seem to come on during any specific type of driving. • 98 Ford Taurus, Check Engine Light • 98 Ford Taurus • 98 Ford Ranger, Intake Whistles and Moans • 98 Ford Mustang, Unknown Fault Code • 98 Ford Mustang, Parked Car Air Bags Deploy • 98 Ford Explorer, No Heat • 98 Ford Explorer, Multiple Lemon Alternators • 98 Ford Expedition, O2 sensor Cant Get At It. Restrictions apply. Locate A Dealer. My son has a 1999 Ford Explorer with the V6 4. Plugs and wires replaced, fuel system flushed, fuel injector for #4 cylinder replaced. Why Does My Ford Explorer ABS Light Stay On? Credit: Getty Images North America/Getty Images News/Getty Images The ABS light in a Ford Explorer comes on and stays on when there is a problem with the brake system or in cases where spark plugs are wearing thin. When the light goes out it begins to lope during idle. Before you erase or clear your trouble code, you should first read your check engine light and OBDII DTC code to see where the problem lies. The basic symptom of a misfire is a light to severe rough idle that's felt when the engine is idling and a light to severe engine miss (hesitation) when the engine is under load (for example: your Ford vehicle moving from a stop). 94 mercury sable cranks won't start, inject some carb cleaner and starts immediately, check engine light comes on , rough idle with some light black smoke, engine has no power but clears up and runs fine after driving several miles. The problem was, I would get a flashing check engine light while pulling steep grades, & the engine would lose some power & run a little rough. When you see a blinking check engine light, it means something bad has happened to your engine. 0L gasoline turbocharged direct injection (GTDI) engine and built on 1-Apr-2016 and through 1-Jan-2017 may exhibit white or blue smoke from the exhaust, rough idle in neutral or park at normal operating temperature or after a hot restart. My check engine light came on about a week ago and i brought it to the parts store because they do the diagnostic test for free. Smells like it's running rich with gas coming out the exhaust but. Let us know what code it is. It went away after a few seconds. 00 bill near the tail pipe. Rough idle no check engine light ive done everything smoke test new plugs and wires dont have an iac - Ford 2007 Explorer Sport Trac question. Now what? The car is still running? Is it serious?. OBD-II Diagnostic Trouble Codes (DTC). Still runs rough (misfire) especially rough at idle, hot and cold, loss of power and check engine light with P0304 code. Max Tire Size for Explorer Ford Explorer Torsion Bar Removal Installation Front Differential R&R 1995+ Explorer Converting R12 to R134A in Ford Explorer 700R4 Transmission Swap Explorer Sport Truck Fiberglass step by step Wheel Offset Backspace Wheel Spacers IAC Valve Cleaning Explorer Message Board : IAC Valve Cleaning (Idle Air Control). 1 and all sparkplugs - check engine light still on. not using oil. There seems to be a vibration in the motor. It runs rough and spuratic at idle ,like it is trying to find what idle it is supposed to be at. Left dealer and next day engine light came on. I read somewhere on the net that if you disconnect the battery over night the computer will loose all reference values from various sensors and needs to be re-trained. 0 L V8 as an option. Up to 2010 (Fourth Generation) This car uses a body-on-frame, while for the 2011 model (fifth generation), Ford Explorer moved to a more modern unibodi full size. When the DPFE sensor is failing or goes bad, it causes rough idling, a reduce in power, and it may cause the "check engine" light to come on. When a Ford vehicle displays a flashing Check Engine Light on the dashboard, this is an indication that your engine has a misfire. It runs to good except for the rough idle and shuttering. My engine light will come on every once in a while, but it never gives any significant codes and goes back off (usually on it's own and by the next day). See your Ford or Lincoln Dealer for complete details and qualifications. I have some major problems with my explorer. 12 problems related to check engine light on have been reported for the 2016 Ford Explorer. If the check engine light then turns off, the code will be erased if the issue disappears and X criteria is met (something like either 50. This will work with all 4. I would first recommend having your vehicle scanned for trouble codes with an OBD-2 scanner. Ford Explorer 4. They maybe related as whatever emission device tripped the check engine light, may have been defective for so many start cycles before tripping the CEL and maybe the cause of the rough idle. Solution: There a few known problems concerning rattling noises that occur at certain engine conditions: 1. If the light goes off, we assume things are okay. so here it goes. Ford Raptor Forums. Took into dealer when check engine light came on. Common Check Engine Light Causes Here is a list of the most common check engine lights (CELs P Codes) and their common causes and common symptoms. If you are driving there is no power till the light goes out and then you get a surge of power and runs good with a slight miss. • 98 Ford Taurus, Check Engine Light • 98 Ford Taurus • 98 Ford Ranger, Intake Whistles and Moans • 98 Ford Mustang, Unknown Fault Code • 98 Ford Mustang, Parked Car Air Bags Deploy • 98 Ford Explorer, No Heat • 98 Ford Explorer, Multiple Lemon Alternators • 98 Ford Expedition, O2 sensor Cant Get At It. Then as soon as I would level off the engine would regain normal power & the flashing light would extinguish?. I have a 2010 XLT explorer 4. The most recently reported issues are listed below. If this happens, your check engine light on the dashboard will light up. When a Ford vehicle displays a flashing Check Engine Light on the dashboard, this is an indication that your engine has a misfire. Damage to the car's carburetor and vacuum hoses can cause the engine to misfire, resulting in a rough idle. So I figured this was a stupid computer issue, but was very pleasantly surprised that the rough idle was totally gone and I was now getting around 16mpg! Long story short, had a rough idle, got a check engine light for a seemingly unrelated issue, got a new computer, rough idle gone! May be worth a try if you can convince your dealer to try it. The EGR system can cause a rough idle also, but go by the codes if any. Rough idle no check engine light on starting to stall when making turns at low speed like in the drive thru radio lights flicker did not specify rpm, but sounds likely to be a idle control valve, it adjust engine rpm when a demand or load is apply like turning your wheel, so the engine dont die. The basic symptom of a misfire is a light to severe rough idle that's felt when the engine is idling and a light to severe engine miss (hesitation) when the engine is under load (for example: your Ford vehicle moving from a stop). As always, all repairs should be attempted only by a qualified individual. hey guys, i have a 2002 ford explorer xlt 4. Car has a rough idle. 1 MK3 Engine Revving: Galaxy central locking: Ford Fiesta - No spark, no fuel: Fiesta ’96 endura-e idle and stop problem: Escort Zetec High Idle: FIESTA 1. My throttle body was gummed up and it had a bad idle control sensor. com Hot to fix a misfire in under 30 minutes part 1 how to test a misfire problem ford 4 0l v6 why is my check engine light flashing and car shaking diagnosing a check engine light everything you need to know 4. I had to play with the throttle to get it to finally fire up, it sputtered a little bit then finally smooth out but it would not idle at all. Rough idle while cold. When I started it that time it was running really rough, I revved it up a couple of times & it smoothed out. 2009 - 2014 Ford F150 - Rough idle/chatter/shake 5. he is bringing it to get it checked but the light keeps going on and. 5mpg on freeway with poor acceleration and rough idle. If using 12Vdc circuit test light, pay careful attention to length of pauses in order to read codes correctly. Average failure mileage is 4,600 miles. 9L co-existed alongside the 3. The Ford Explorer is known for a rough idle, engine stalling, loss of power, and misfires, accompanied by the check engine light. The car amazingly has 190K on it and is still plenty strong. The all-new 2020 Explorer has been completely redesigned — inside, outside and under the hood. I would get the check engine light problem address before worrying about the rough idle. It runs rough and spuratic at idle ,like it is trying to find what idle it is supposed to be at. 0 ranger, during rapid acceleration, ie merging onto the interstate, the check engine light flashes for about 5-10 sec. Here are some: Stalls at idle, stalls when I put the clutch in, stalls when I turn a corner, misfires, surges, no power, cuts out, no power at top revs, runs rough, etc. the contact stated that his check engine light illuminated. Now it comes on again. YES there is a way to find these misfires! Often called "phantom" misfires. 2004 ford explorer check engine light was blinking with rough idle while at red light. Some also refer the check engine light to the service engine soon light and the maintenance required light. Hi, my wife has a For Explorer 1995 sport in Mexico. One of the most asked questions that I get each day is "my check engine light came on today, what can I do to turn it off". Replaced solenoid, plugs and wires. In addition to new capability enhancing features like rear-wheel drive, there are also two new available trims. Why Does My Ford Explorer ABS Light Stay On? Credit: Getty Images North America/Getty Images News/Getty Images The ABS light in a Ford Explorer comes on and stays on when there is a problem with the brake system or in cases where spark plugs are wearing thin. 0 L V8 as an option. Hard rain = rough idle / won't start I think it may be something specifically getting wet in the engine bay due to the cowl openings. 0L Engine - The Ranger Station. 0L pick up, or SUV, or mini-van will run rough or cause a misfire code to set and turn on the check engine light. The check engine light was on and flashing at times and the computer had a pending P0301 cylinder one misfire code. To learn more, see reviews below or. he is bringing it to get it checked but the light keeps going on and. What would cause code when no other issues a. Higher mileage M2's ('99 and newer) may experience a check engine light due to 'excessive EGR flow'. 8L V10 Fords. When the light goes out it begins to lope during idle. Sensor replaced and EGR valve cleaned. Runs pretty rough on idle and misfire noted at 2000RPM. Knowing if we should continue driving or stop right now is difficult. 1995 Ford explorer XLT 4. As always, all repairs should be attempted only by a qualified individual. 1997 ford mustang 3. RTV use on ignition coil connectors What to do, and what NOT to do. The Ford Explorer has been a popular SUV since it debuted in 1991. The dreaded "Check Engine" or "Service Engine Soon" light came on. I have a 2001 Ford Ranger XLT. the dealer and manufacturer stated that there were no open recalls available pertaining to his vin; therefore, it was excluded from recall number 02m01s6. Problem: The most common fault we have found is the failure of ignition coils (COP- coil on plug). We took it in and the mechanic said it was the upstream o2 censors. To clear the confusion, we need a basic understanding of what the check engine light is trying to tell us. A choke that fails to open or sticks shut during warm engine running will cause a constant misfire and rough idle. Learn all about your Ford vehicle on the Official Ford Owner Site! Schedule Service. 0L Power Stroke Diesel - 6. Check engine light and trouble code P0300 misfire. 0L and OHV 4. No check engine light. 2006-2010 Ford Explorer Oil Change Required Light Reset - Ford Explorer is an SUV that was produced by the American manufacturer, Ford since 1990. A choke stuck in the open position will not allow an engine to warm up properly. On later model vehicles, a check engine light may accompany the issue. This kind of picture (Rough Idle And "check Engine Soon" Light - Fixed | Ford Explorer with 2003 Ford Explorer Engine Diagram) above can be labelled having: 2003 ford explorer 4. - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. hey guys, i have a 2002 ford explorer xlt 4. A check engine light on a Ford Explorer sometimes indicates a simple problem, such as a gas cap that needs tightening, or something more complex and expensive, such as a bad catalytic converter. 8 automatic. To learn more. Ford Ranger Forum - Forums for Ford Ranger enthusiasts! > Engine Tech Forum > 6-Cylinder Tech > 3. There are many people in here that really know what they are doing. During this time, the rpms drop and it will not accelerate, afterwards the light stops flashing and everything goes back to normal. It may well be that these events are the hesitation & stumble problems described in this article. One of the most common problems is likely a rough running or poorly idling engine. When the engine is cold there are no issues at all. The most recently reported issues are listed below. P0506 FORD Tech Notes If there are no intake leaks, clean throttle body, adjust engine idle and erase engine code. The check engine light was on and flashing at times and the computer had a pending P0301 cylinder one misfire code. 1997 Ford Explorer engine light blinking and rough idling 7 Answers. Sensor replaced and EGR valve cleaned. When a vehicle begins to idle rough or stall, the idle system requires service. The intake manifold O-ring gaskets commonly leak, which creates a large vacuum leak. As its idleing however, the rpms fluctuate up and down erratically and then it'll smooth out for a few min and then it will begin again. Let me use an idle complaint that had me on the ropes as an example. Hi, my wife has a For Explorer 1995 sport in Mexico. I had this problem for a few weeks, and then the weather turned cold, and it got even worse to the point that my ' check engine light' was even coming on. The light generates a code that can help you narrow down the problem so you can get it fixed. PROBLEM: The door lock of your 1997-2001 Ford Explorer or Mercury Mountaineer is not operating properly (might work on other years and models too). If the engine air filter is found to be saturated with water or frozen engineering is aware of the concern and working on a resolution which will be. This article will show you what to do when that happens. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. Take 5-liter Mustangs. 4L engine, run rough at idle but runs normally when placed in neutral? I changed the. 1997 Ford Explorer engine light blinking and rough idling 7 Answers. Bad thing about that particular engine is that nothing is adjustable and it does not have VVT. Engine check light illuminated, logging trouble code P0301, P0302, P0303, P0304, P0305, P0306 (Cylinder misfire codes). Cleaned MAF sensor, throttle body and air intake sensor, new IAC valve, new air and fuel filters, new PCV valve. 0 Hard start, rough idle, no power, no engine light. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. The intake manifold O-ring gaskets commonly leak, which creates a large vacuum leak. 4 Zetec-s (stalling) Ford Escort 1994 electric windows: Scorpio abs light: Ford Granada 2. If you want to repair or modify your car's performance, you need a scantool to communicate with the PCM. Ford Maverick no power!! Fiesta 1. I've had my fair share of trips to the dealer for repairs and wasn't alarmed by a silly check engine light. Ford Taurus Enthusiast Site. Blessings, Austin C. Possible cylinder head or valve damage on the GM 2. Here are some: Stalls at idle, stalls when I put the clutch in, stalls when I turn a corner, misfires, surges, no power, cuts out, no power at top revs, runs rough, etc. The dreaded "Check Engine" or "Service Engine Soon" light came on. For instance, when your Ford check engine light comes on, it can mean a few different things. The Ford Escape is a crossover SUV with fold-down seats and plenty of cargo storage space. Engine check light illuminated, logging lean engine condition trouble codes. To see how frequently Ford Explorer problems occur, check out our car reliability stats. Scanner in the video used: Actron CP9680. If the ECU notices a problem with a sensor, it will flag a code and possibly turn on the CHECK ENGINE light. This is a sign that something is wrong with the engine in your Ford Explorer. 0L and OHV 4. Thanks to the guy who I bought the truck from for installing the remote start. Possible cylinder head or valve damage on the GM 2. Here we have a P0301 cylinder misfire code on a Chevy 3. So I figured this was a stupid computer issue, but was very pleasantly surprised that the rough idle was totally gone and I was now getting around 16mpg! Long story short, had a rough idle, got a check engine light for a seemingly unrelated issue, got a new computer, rough idle gone! May be worth a try if you can convince your dealer to try it. RTV use on ignition coil connectors What to do, and what NOT to do. 0L v6 Rough running The check engine. 0L pick up, or SUV, or mini-van will run rough or cause a misfire code to set and turn on the check engine light. This page lists OBD-II generic powertrain trouble codes, a. 8 automatic. Secondly it makes no difference whether the car is cold or warm. It’s a great question, and one that needs a little explanation…. This company is not yet accredited. Watch how I fix a rough idle on my 2002 Ford Explorer Sport Trac! It had a vacuum leak caused by a weathered emission hose. Through out the course of the day, it has done this 3 or 4 times, but still no check engine light or wrench icon, nothing. The intake manifold O-ring gaskets commonly leak, which creates a large vacuum leak. I would encourage you to have them checked. The difference between a SOHC 4. Should the problem go away, the ECU will turn off the light and start using the sensor as normal once again. Posted to Ford Driveability on 1/27/2009 15 Replies. If you have no high idle, check for voltage at both terminals of the cold start switch just behind the thermostat housing. If so take it your local autozone or somthing like that and see if they will check it for you. Your mechanic can then use a code reader to identify the specific problem, and then determine if that malfunction is what's causing the rough idle. You may also need to manually reset the light. Now it comes on again. Common Check Engine Light Causes Here is a list of the most common check engine lights (CELs P Codes) and their common causes and common symptoms. The car amazingly has 190K on it and is still plenty strong. low and rough idle and stalling at complete stops. i cleaned it with carb cleaner and with the engine running i also sprayed it in the tube. Sometimes the Idle Air Control (IAC) may have carbon built up. It runs rough and spuratic at idle ,like it is trying to find what idle it is supposed to be at.