Question about 1999 Ford Explorer

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Car stalls when foot off gas pedel does not hold idle

While driving with foot on gas car fine but when take foot off gas car stalls. Engine also has a pinging sound. Boh oil and antifreeze ok

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  • 123 Answers

These trucks are equipped with an idle speed control motor. What you're describing sounds like that part has stopped working. The part is designed to maintain idle when gas pedal is released. Now if you hear an audible hissing noise under the hood, then theres a vacuum leak which can cause the same problem, but it sounds like the idle control motor. Good luck.

Posted on May 08, 2014

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Posted on Jan 02, 2017

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johnjohn2
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SOURCE: I just replaced the drive belt, idler pully and

that has nothing to do with that,make sure all is connected like the mass air flow sensor and sensor on the intake tube it under it hard to see. and also if battery was unhooked then may need to reset idle, just keep foot on gas for a few minutes if that still does not help then replace the idle air controlm valve, hope this helps.heres a diagram to help locate parts.4627f3e.gif

Posted on Jan 27, 2010

Testimonial: "Thank you so much, it was the air mass flow sensor!! You're awesome!!!"

SOURCE: 1995 ford escort idle problem

The IAC valve is usually the problem with the 1.9 Escorts ,causing a very poor engine idle at a stop. It is located on the side of the throttle body .

Posted on Aug 25, 2008

  • 176 Answers

SOURCE: MY 2005 FORD FOCUS ENGINE LIGHT IS ON .... WHEN I

you should have the code read with a scanner at a garage Possible (Throttle position sensor ??? (TPS) the code reader will tell you exactly wich sensor is the problem

Posted on Jun 13, 2009

dncholas
  • 222 Answers

SOURCE: 1990 Ford Probe 2.2 automatic stalls in forward, reverse OK

Sounds like a bad IAC (idle air control valve/sensor) that controls your idle when going from throttle to idle. If bad your idle will act crazy and can cause stalls easily. Pretty sure that's it.

Posted on Aug 21, 2010

  • 8 Answers

SOURCE: having problem with starting. low rpm at idle and

need to replace the idle air control motor on the intake. it is sticking because of carbon build up also you may have too take it to a shop with a diagnostic pcm flash device to reset values for the new part but normally this doesn't have to be done.

Posted on Sep 18, 2010

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2 Answers

I put in another battery in my 2000 dogde truck.now it wont idle on its own.


Robert, You may have to try this relearn procedure.
Warm the engine, but hold your foot on the throttle as necessary to keep the engine running.
  1. With vehicle in Park, slowly release the throttle so that the engine will idle on its own. You may have to work at this a bit.
  2. Let the engine idle on its own for about one minute.
  3. Continue to let the engine idle and with your foot on the brake, place the transmission in Drive and let the engine idle for another minute.
  4. Continue to let the engine idle with your foot on the brake and the transmission in Drive. Turn the A/C on and let the engine idle for another minute with the A/C compressor running.
  5. Turn the ignition off and wait a minute. Check the attached links,
    "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
Battery Disconnect or Replacement Problems

https://ca.answers.yahoo.com/question/index?qid=20100517211203AAw91qa

http://www.automotiveforums.com/t454660-click_here_for_instructions_on__quot_how_to_idle_relearn_quot_.html

The Dodge Relearn Procedures eHow

Mar 10, 2016 | Cars & Trucks

1 Answer

Engine stalls when foot not on gas pedal


sounds like a large vacuum leak to me possibly a bad mass airflow sensor but i would pinch off vacuum lines maybe spray a little carb spray around throttle body and intake area to try and locate any vacuum leaks

Jul 12, 2010 | 2003 Chevrolet Malibu

1 Answer

Car won't run without foot on accelerator.


its very important that the throttle body especially around the throttle blade be spotless clean or they will stall every now and then. then progress to refuse to idle at all. take off the rubber air intake pipe from the top of throttle body [has 3 torqes screws] open throtle by hand and look for carbon/grease/soot etc were the throttle sits when closed. clean with toothbrush and some caeb cleaner get all black off and dont forget the blade, both sides and the edges. scrub then rinse with carb cleaner untill shiny.spray some cleaner in the hole that is on top off the body to. that is your idle air controll motor port.put back together.it will be hard to start at first so hold gas pedal half way down untill it starts then slowly [real slow] let foot off untill you are no longer pressing it. put in reverse and let it idle there a few seconds then do the same in drive. that should do it. sometimes it may stall a couple of times when driving dont hold foot on gas just let it die then restart this allows the computer to readjust its idle stratagee

May 06, 2010 | 1996 Jeep Grand Cherokee

1 Answer

My 1992 Pontiac Grand Prix will not idle


the computer probably need to relearn the idle-try driving the car for 20-30 minutes,i u can. if that doesnt work,try keeping the car in drive at idle speed if possible without touching the gas pedal-even though it might stall,see if eventually the idle will raise up on its own.hope this helps you.

May 23, 2009 | 1991 Pontiac Grand Prix

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