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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1 Answer

Idle surges


surging problem could be vacuum leak check all vacuum hoses on intake manifold.hook vacuum gauge to check engine vacuum could have intake manifold leak or could have bad spark plugs and wires.distributor cap and rotor need replacing.ignition timing off.if all is good clean fuel injectors and change fuel filter.if fuel pressure low or pump failing engine will surge real bad.if your air flow sensor bad or egr valve bad the check engine light will turn on.best have vechicle hook to code scanned check emission control system.many things cause engine surge dirty fuel injector faulty fuel pressure regulator have vechicle code scan to save from guessing spending way too much money.

Nov 19, 2013 | 1996 Acura TL Series

1 Answer

98 dodge ram 1500 the truck idles funny and spits and spudders and misses when you give it gas. if you put it in drive and give it gas it does not go anywhere it backfires out the exhaust and intake. But...


Code 1683 is for a problem with the EGR solenoid which controls the EGR valve, and code 597 is for the IAC valve not being able to keep idle speed at the correct setting.
A leaking EGR valve could cause the symptoms you describe.
I assume you looked at the cap and rotor and they are ok.

Jan 15, 2013 | 1998 Dodge Ram 1500 4WD

1 Answer

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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