Question about 1990 Jeep Cherokee Limited

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1990 jeep cherokee won't idle

I've replaced the low idle sensor,egr selenoid,distributor cap and plugs but it still won't idle.It also surges when driving

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  • deani Sep 18, 2008

    2001 JEEP GRAND CHEROKEE LAREDO IDLE SURGE AND RPM SURGE WHEN DRIVING

  • Anonymous Mar 22, 2014

    Once the car is idling I hear it surge. It also surges at a complete stop.

  • Anonymous Mar 30, 2014

    idling up and down in park or drive in changed many sensors

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Have you checked for vacuum leaks.

Posted on May 04, 2009

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Try the Throttle Position Sensor. Maybe O2 sensor but I'd start w/ the TPS.

Posted on Sep 18, 2008

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O2 sensor

Posted on Aug 31, 2008

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Check the ...PVC valve and the MAF sensor.

Posted on Aug 24, 2008

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My 1992 Isuzu 2.6 fuel injection, won't idle when cold and when I press the gas peddle it backfires and won't accelerate above 1500Rpm


have exhaust back pressure tested. maybe the catalytic converter is restricted/ almost plugged. Also check your vacuum hoses for leaks.

Dec 13, 2012 | 1990 Isuzu Spacecab

2 Answers

1996 jeep cherokee stalls, I've replaced the throttle position sensor, MAP sensor, and carbeurotor. What else could it be?


You replace sparkplugs,plug wire,tps,map,cap and rotor.Thats good,If the vehicle runs and you come to a stop and it stalls,That is the IAC (Idle air control) you say it ran fine for a week now its acting up, Service the IAC or get it replaced.

Mar 21, 2012 | 1996 Jeep Grand Cherokee

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I have a 1994 Jeep Grand Cherokee Laredo 6 Cyl. The vehicle was kind of running rough on idle. Take in consideration that I have replaced the spark plugs, spark plug wires a while ago. So I decided to...


CHECK ASD RELAY THAT IS AUTOMATIC SHUTDOWN RELAY IN THE POWER DISTRIBUTION CENTER UNDER THE HOOD IN ENGINE COMPARTMENT.IF ASD RELAY GOOD PROBLEM COULD BE CAMSHAFT SENSOR IN THE DISTRIBUTOR.TO SAVE TIME AND MONEY HAVE JEEP SCANNED FOR CAMSHAFT SENSOR AND CRANKSHAFT SENSOR FAULTS.

Apr 23, 2010 | 1994 Jeep Grand Cherokee

1 Answer

My 96 jeep grand cherokee 4.0 6 cyl will simply just die! Don't matter if the motor is warm or cold... Doesn't matter if it's idling or going down the road! It does seem to do it more in cooler weather...


SOUND LIKE FUEL PROBLEMS.IF IT BEEN A WHILE.REPLACE FUEL FILTER.IF THAT DONT HELP.CHECK FUEL PRESSURE.IT SHOULD BE 47 - 51 PSI. IF PLUGS + WIRES +ROTOR +DISTRIBUTOR CAP.HAS BEEN CHANGE FOR A LONG TIME REPLACE THEM ALL.IF ALL IS GOOD.SCAN IT TO CHECK.TO SEE IF EGR VALVE STUCK OPEN.

Aug 15, 2009 | 1996 Jeep Grand Cherokee

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