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Have a 1992 explorer 4.0l 4x4 when cold runs excellent when at normal op temp if I step on the gas pedal it stalls chokes up I have to let off the gas I changed fuel, air filters tps Icv plugs wires I

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Sounds like a coil problem to me

Posted on Dec 10, 2012

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  • Cars & Trucks Master
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Sound like intake air leak, could have missing or disconnect worn intake airduct to air filter housing could have intake manifold gasket leak.lightly torque intake take manifold bolts to 15 ft lbs.see if helps also clean fuel injectors.sound like either you have intake leak causing lean fuel mixture or ignition timing off.

Posted on Dec 10, 2012

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I would have to ask if IAC has been cleaned or replaced, MAF either sensor or the throttle body, been thru this before, one loose vac line etc, begin with IAC which is the most common issue.

Posted on Dec 10, 2012

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Posted on Jan 02, 2017

  • 9 Answers

SOURCE: Rough Ideal on 2004 Ford Explorer

Open hood and listen for vacuum leak sound. pcv hose is most likley cause.

Posted on Sep 04, 2008

  • 151 Answers

SOURCE: car runs rough at idle

clean out ur throttle body, just follow the hose from the air filter to the throttle body. Need 2 people to do this. Don't remove the hose completely from the throttle body. Just enuff to be able to spray ur intake cleaner into the throttle body. Do this especially if its worse when the motor is hot, as this would confirm the problem.

Posted on Sep 04, 2008

  • 6 Answers

SOURCE: 2000 ford explorer 4.0 x-engine is stalling, missing and lose power while driving

Exhaust might be stopped up. Check the catalytic converter and or muffler.
Good luck!

Posted on Oct 15, 2008

  • 9 Answers

SOURCE: 99 gmc no power when passing or climbing

It could be electric fuel pump stall. The pump isn't pumping fuel fast enough. This model may have a inline fuel filter before the fuel pump as well that might need replacing.

Posted on Dec 02, 2008

  • 1 Answer

SOURCE: Subaru stalls while driving, and idling

check the cam and crank position sensor making sure that there is no metallic deris

Posted on Mar 10, 2009

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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

1 Answer

Gas not staying in carb, when cold very hard to start


it sounds like the choke isn't closing on the carburetor when the engine is cold ( more gas, less air). normally step on gas pedal once to close choke before starting. need to find someone familiar with carburetors to help as it can be technical setting it up

Mar 20, 2014 | 1984 Dodge Ram 50

1 Answer

1992chevy g20 van 5.7liter. Starts and stalls at an exact time every time.


check egr valve for carbon and proper function --also check cat converter possible clogging

Apr 16, 2017 | 1992 Chevrolet G20

2 Answers

Won't start when cold


hello wyatt...... Is your jag.built with a carburetor or fuel injected?
Carb, your choke is not set to close when cold, and should be set. When set, it also sets a cam that keeps the engine running fast. Then when warm, you hit the pedal and the cam moves, and the engine speed goes to normal. Unless the choke is set, the engine cannot keep running, as it tries to run on cold gas and it can't run good on cold gas. It needs more gas, therefore, and the choke makes more gas go into the engine.

Fuel Injected, the computer should adjust the amount of gas your car is getting when cold. If not, the coolant sensor might be bad.
The coolant sensor senses the cold engine and tells the computer to add more gas. Once the engine is warm, the coolant sensor tells the computer to put the gas to normal.
So, if the sensor is not working, the engine will try to run normal, and if cold, it can't. Joe Thanks for choosing Fixya!

Dec 24, 2010 | 1985 Jaguar XJ6

1 Answer

Engine over-run between gears


This is a very common problem for ford. I have the same thing every day. It is the computer not reading the temp. When it does that just tap the gas pedal.

Jul 19, 2009 | 1992 Ford Escort 4 Door

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