Question about 1995 Jeep Grand Cherokee

1 Answer

Starting, idleing problems

Most times starts ok, idles, warm up for 10-15 min. as soon as I touch the excellerator and make it to my next stop, lift my foot of the pedal, the rpms drop & engine dies.starts up as long as I keep my foot on the excellerator. does this at random times. worse when it is extremely cold out.

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  • Jeep Master
  • 10,543 Answers

Auto idle module may be bad or the idle valve on the engine may need to be cleaned.

Posted on Jan 30, 2018

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6 Suggested Answers

Anonymous

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Posted on Jan 02, 2017

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Anonymous

  • 1 Answer

SOURCE: 89 wrangler get warm won't idle the takes along time to restart

These jeeps are carbeurated, with heavy emissions systems forced down the throats of Jeep. There are insane Vacuum systems that are too complex to deal with. What I did, (I have the 4.2L) was go out and purchase the Weber kit. I am not selling the part for them, I am actually a happy owner. Mine would die every time I came to a stop. I swapped out the junk and popped in the Weber. I have had no carb problems what so ever. I even eliminated the messy vacuum system! I payed about 200 bucks on Ebay, but from Weber direct they cost around 300. Good luck!

Posted on Dec 21, 2008

simidrm45844

  • 159 Answers

SOURCE: 1999 jeep cherokee wont idle cold

The iac would be my first guess but this troubles me as the when the engine is cold all the sensors are ignored until the fuel system goes into "open mode" but to change the iac is simple 2 screws and unplug the module and instructions come with a new one to tell you how far the air pintle is supposed to be set at,
If you can change your own oil than this is easy.
I did rebuild wrecked vehicles for about 15 yrs and gave it up as back in the day we never wore mask's and hacked up to much hardner so now I just fix them,in a chrysler,jeep dealership of course.

Posted on Mar 11, 2009

Richard Scordino

  • 6982 Answers

SOURCE: wont hold idle will start with foot depressing gas pedal will run with foot on gas but stalls when foot removed

Check and clean Idle air control valve. Make sure its responding to signal as well. Also make sure ther are no vacuum hoses disconnected. This may not be a "cure" but it's a good place to start.

Posted on Apr 14, 2009

mcgyver468

Mark L. Roberts Jr.

  • 710 Answers

SOURCE: idle irradic

could be either EGR valve stuck open or the IAC(idle air control)

Posted on Apr 22, 2009

Richard Scordino

  • 6982 Answers

SOURCE: 1999 Jeep Grand Cherokee stalls immediately after

check intake manifold air temp sensor and engine coolant sensor...one may be out of range but not enough to turn on dash light. tests and specs can be found in chiltons or haynes, test is done with digital multi-meter.

Posted on Jan 06, 2010

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