Question about 2003 Ford Explorer

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Car stalls at idle when it warms up. RPM goes up and down before stalling?

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  • 157 Answers

Put a vacuum tester on the hose from your intake manifold. If the hands are flexing back and forth clean the inside of the manifold with carb/manifold spray. if that doesn't solve the problem check for leaky vacuum hose. Auto-zone has a free tester you can use/ and they will assist you in finding the leaks.

Posted on May 16, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

chrischronic
  • 235 Answers

SOURCE: Ford Escape very low idling when cold

sounds like the idle air control motor.typical symtoms for this motor is rough idle when cold.

Posted on Jan 13, 2009

  • 120 Answers

SOURCE: 2006 Ford Fusion 4 cylinder. When idling in gear

sounds like fuel pressure reg on fuel-line

Posted on Feb 20, 2009

  • 10 Answers

SOURCE: won`t stay running after it warms up not overheating

is it carb, or efi ? and what size engin?

Posted on Jun 29, 2009

  • 1168 Answers

SOURCE: 92 ford ranger 2.3L/ after

Hello Seo.

Your Ranger has a devise on it that controls airflow past the throttle plate at idle called the idle air control valve (IAC).
A cold engine requires more fuel so with more fuel it also needs more air.
What is happening is that the control valve is sticking and isn't able to properly control the airflow.
They are easy to replace. It is mounted on the throttle body near the throttle plate.
Get one at your favorite auto parts supplier so you know what it looks like.
It is mounted with two small bolts with a 8mm head.
No reprogramming is needed.
There you are. If you need more assistance regarding this problem ask me here.
Thank you for using FixYa.

KL

Posted on Jan 15, 2011

  • 2 Answers

SOURCE: rough idle and stalling 2003 ford taurus ses

mine did the same it was the map censor had new one installed about 125$

Posted on Dec 07, 2011

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Jan 02, 2016 | 1999 Honda Accord

2 Answers

In cold weather, my car is slow to start and has stalled a few times. What should I check?


You don't say what make of car but it's about the same for all. Your problem is the choke adjustment. The choke raises the idle when the car is cold and after warm up drops to normal. You are doing the chokes job when you hold the pedal down, once its warmed up the choke no longer functions till cold again. So check the choke and the high idle speed adjustment. Simple fix. Hope this helps mike

Nov 20, 2014 | 1997 Toyota Corolla

2 Answers

REPLACED THE EGR VACUUM SOLENOID NOW IDLES RUFF AND RPM GO UP AND DOWN AT IDLE


It can be issue with IAC( idle air control valve) causing the problem.

There are many other possibilities causing these idle issues.Engine idles rough.There are few help links with solutions to troubleshoot such idle issues.
I suggest you refer the link below and follow its troubleshooting details:------Click the link below:-----Bad miss at idle? http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html
-----------
Stumbling and stalling at idle after engine rebuild? http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

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1999 Ford F-150 Idles rough and quits when gas pedal is pressed less? http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html

--------- Engine stumbles coming off idle when warm?

http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

------------------
Erratic idle on car?

http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html

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Cold start problem and vehicle shudder around 2500 to 3500 rpms
http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html
---------- Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

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GMC Sonoma Stalls and idles low http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html
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GMC Idle Air Control (IAC) Valve Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html

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1996 Camry intermittent engine failure while idle?

http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html

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Engine quits at idle?

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Car overheats and Air blows hot at idle?

http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html

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High Idle Problem
http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html
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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed?

http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html

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http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html

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Vehicle stumbling at idle and shows code 54?

http://schematicsdiagram.blogspot.in/2012/03/vehicle-stumbling-at-idle-and-shows.html

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Rough idle, staling and Erratic shifting? http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html
-----------While stop engine idles like cylinder missing? http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html
---------These details will help.Thanks.

Nov 23, 2012 | 2001 Ford Escape

1 Answer

Car stalls after warm on hot day after a few stops. will stall when stopping at intersections, and when taking foot off the gas going down hills.


The idling setting in the car is not set correctly or the idling is LOW due to fault in the setting.
You will need to check if the throttle position is correct and the idle setting WITH THE CLUTCH PRESSED must be of the CORRECT IDLING RPM. If not reset the position after cleaning the system.

Aug 09, 2011 | 2002 Ford Taurus

1 Answer

Car starts fine..Idle is fast...stalls after car warms up


Check for vacuum leaks. Also try cleaning the ISV.


If that doesnt work go to vwvortex.com and post your issue there

Jul 08, 2009 | 1989 Volkswagen Golf

2 Answers

4 cyl Engine starts and idles ok...give it throttle and it dies


I need to get a clear mental picture of what exactly is happening.

With this said, you stated that the car "runs fine" until warmed up.

Q: When you start the car when cold it idles fine?
Q: If you allow the car to idle until "fully" warmed does the car stall?
Q: As the car begins to warm up, Does the RPM fluctuate abnormally?
Q: Does the car Only stall when you press on the gas pedal or does it stall just sitting and idling in addition to pressing the gas pedal?
Q: If you can drive it while cold does the car stall during acceleration when warm or only at Stop Signs / Lights?
Q: If you wait 20min or so, can you start the car again?
Q: How many miles are on the car?

Mar 27, 2009 | 1995 Toyota Camry

1 Answer

Car idles low, stalls after start


Common issue at the shop (i'm a ford technician), here is what I do to correct it.
Here is the most common cause of surges and stalls at stops and low erratic idle speed and rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Mar 11, 2009 | 1999 Mercury Cougar

1 Answer

Civic '92 engine normal starts then stalls after 2 mins


Ihave the same experience try to remove the idle jet located next to the starting jet. But be careful in removing it as it will break easily ( you will need a flat screwdiver to do it ) clean it with a wire that closest size of the jet. change your fuel filter ang drain all the fuel inside before putting it back. make sure to put some air pressure on each holes on the carb so it flush all unwanted particles inside and pls dont use silicone in sealing the rubbers inside.

Jan 16, 2009 | 1994 Honda Civic

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