Question about 1996 Jeep Grand Cherokee

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My 1996 Jeep Grand Cherokee, while idling or driving at a low speed it starts to spit and sputter like its going to stall out and I can smell fuel. I just changed the spark plugs in it...anyhow I'

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On a 97 Grand Cherokee 5.2l, intake manifold, passenger side, down low, under the throttle cable, is an elbow connecting to a vacuum line running cruise, heater controls & such. Connected almost immediately to that is a check valve about the size of nickel to a quarter. first make sure the elbow fits snug, THEN, check the check valve!
I have found it to be a LOT of running problems.
Driving along and with a slight push on the gas the engine would stutter or buck & try to die. Then I would push the gas to the floor & it would take off hitting on all 8! When I pulled mine it was blown, you could see daylight through it!
After replacing the check valve & elbow, it idles beautifully, has immediate pickup with a slight push on the gas.
Hope this helps a lot of GC owners.

Posted on Mar 28, 2019

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You might check your fuel filter and hoses..could also might need carberator adjustment?

Posted on Jun 08, 2012

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Posted on Jan 02, 2017

GetMeOttaHere

  • 2926 Answers

SOURCE: 96 jeep grand cherokee limited

I could be the CKP (crank sensor), but it could also be several other factors including the TPS. The correct way to start a diagnosis would be to see if any trouble codes are stored in memory. I'm assuming all basic ignition components are ok ; spark plugs, etc.

Posted on Aug 15, 2010

Anonymous

  • 320 Answers

SOURCE: 1995 jeep grand cherokee started sputtering

Probably the upstream o2 sensor (could be downstream). or the other possibility it  could be a vacuum leak.
just check out .that will solve your problem.

Posted on Mar 10, 2009

Dennis

  • 69 Answers

SOURCE: 1998 Jeep Grand Cherokee 4WD 5.2L V8, Multi-Point

I would suspect the iac stepper motor may be dirty or plugged off when coming back to idle. I would try cleaning it and the throttle body at the same time. Q- tips make it easier to clean and brake kleen makes It easier to remove the dirt. Were safety glasses and gloves with the aresol brake clean. After everything is clean you can reconnect battery and you will have to test drive for the iac to relearn it's steps. Hope this helps

Posted on Jan 21, 2011

Kevin Daniels

  • 1455 Answers

SOURCE: 1996 Jeep Grand Cherokee Cranks

Go to this site for what you need;

http://www.jeepz.com/forum/engine/16923-six-cylinder-4-0-liter-jeep-engine-specs.html

If by chance your check engine light does not light up on your dash, when you turn your ignition on, then your ecu is in need of repair.

Posted on Apr 01, 2011

GetMeOttaHere

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SOURCE: My 200 jeep grand cherokee

Before all this work was performed and money spent on parts, was the PCM checked for any DTC's?? If so, what was the read out?

Posted on Jun 08, 2011

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