Question about 1997 Jeep Grand Cherokee

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97 jeep grand stalls out and backfires has code po351 already replaced coil and ecm no change could it be the cps working on this for my sister please help thanx

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  • John Runger
    John Runger Jan 12, 2013

    the jeep runs fine most of the time it does this about 2 times a day and always seems to be in the first mile or 2 ???? help



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  • Jeep Master
  • 14,381 Answers

Could be it,here's a link to it.Here's the sensor.

Posted on Jan 05, 2013


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Posted on Jan 02, 2017

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SOURCE: 2004 Jeep Grand Cherokee. Keeps stalling, engine

P0505 means the whole Idle Control system, not only the IAM. Check all related sensors (i.e. crankshaft sensor). Check with a voltmeter direct at the connector of the IAM if you get any signal. Remove the IAM from the TB, connect him, let someone switch your ignition key to ON. The IAM need to drive in/out for a short time to find the right position. Hold the IAM near a hard part, that they cant drive out completely! If IAM works fine, check the fuel pressure, check and clean your TB ( if not done yet). If that doesn't work, come back again please

Posted on Oct 27, 2009

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SOURCE: stalls and backfires 1997 jeep

you need to check the fuel pressure,and did you mean you replaced the distributor or just the rotor because inside the distributor is a pickup plate that some times causes this also 02 sensor can cause your check engine light on if so go to chain auto parts store they usually read your codes for free.

Posted on Nov 26, 2010

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I have a 1997 jeep grand Cherokee limited addition. that Stalls

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After it stalls, turn the key back on and listen for the fuel pump in the tank. If you don't hear it it's likely it's bad. (bad ones bind when hot and usually show no code).
Otherwise check the wiring continuity for the cps and check the signal from the pickup in the distributor. (check all the way to the computer itself. Of course, check all the relays and make sure they are good (most can be interchanged with each other except for ac relay)

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I have a 97 jeep cherokee that stalls and backfires and it has backfired to the point where it blew open my muffler. It doesn't backfire all the time, just at times...what can it be?

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1 Answer

Stalls and backfires 1997 jeep grand cherokee limited replaced the map sensor, coil rotor. distributer, spark plugs, spark plugs wires. throttle body pressure sensor ,ingnition coil IAT sensor. amd still...

you need to check the fuel pressure,and did you mean you replaced the distributor or just the rotor because inside the distributor is a pickup plate that some times causes this also 02 sensor can cause your check engine light on if so go to chain auto parts store they usually read your codes for free.

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`996 grand cherokee has trouble starting, it doesn't want to start but after several attempts it will start but as i am driving if i drive too slow or come to a stop sign it will stall out my mechanic...

Change mechanics or work on it yourself

PO351--Possible Ignition Coil problem, cylinder #1

The stalling, is a most likely separate from the coil issue

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