Question about 1997 Jeep Grand Cherokee

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1997 jeep gc Laredo cranks but won't start I have replaced the spark plugs and wires distributor cap and rotor cam and crank position sensor iac and tps sensor timing chain and gears the ecu Andy a few other parts I'm done throwing parts at this vehicle please help me

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  • dsthomas1042 Apr 04, 2011

    I have fuel at the fuel rail constant pressure

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  • 56 Answers

Do you have fuel pressure at intake?Have you scaned for codes? Is there any spark at distributor cap?

Posted on Apr 04, 2011

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1993 Chevy Suburban will not start and has no spark


Check all fuses under the hood. Test the coil with an ohmmeter. Check for battery voltage on the coil primary with key on.
If all good, suspect the crank position sensor. A bad sensor will cause no spark.

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96 jeep laredo stopped running gages quit and won't start even after replacing crank shaft sensor but it turns over like it wants to start


Crank sensor wont have any effect on starting, Cam position sensor would. Also check all your fuses.

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you have a ignition modulor in the distributor and the crank positon sensor. I have a 1997 grand cherokee and I go through a few crank position sensor

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Truck wont crank. we have put new distributor cap, rotor button, coil pack, plugs, wires, and fuel pump. we also checked our firing order.


you said you repl dist cap that means you don't have a crank sensor you have electronic ing module. remove your elec ing module have it tested most auto parts stores could test your module, or check your coil at the neg terminal. should have power. if not you lost your primary volt from your batt.your secondary power is coming from your electronic ing module from the module to the pos terminal on the coil, when the eng cranks,from the coil to the dist cap , from the dist cap center to the rotor then out to the plugs,this all happen pervided the timing belt or timing chain is ok. the cumbustion chainber needs 3 things , thats fuel, air, and spark.

Apr 17, 2011 | 1996 Chevrolet K1500

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My engine turns but no spark I changed ignition coil and still no spark,what could it be?


Depending on which engine your car is equipped with; the following components could be at fault.

Crankshaft Position Sensor
Camshaft Position Sensor
ECM (Engine Control Module)
Distributor Cap or Rotor
Fouled Spark Plugs
Bad Plug Wires

If they haven't been replaced in the last 30K miles, I suggest you check and /or replace the the plugs and wires first.

If your engine is equipped with a distributor, check and/or replace the distributor cap and rotor if it hasn't been replaced in the last 30k miles.

If your engine is equipped with crank or cam sensors have them tested.

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So my jeep is in horrible condition and my bank accounts are beginning to look the same it had issues running frequent stalls now it will turn over crank and immediately die things I have fixed recently...


Stip by any good parts store (Autozone, Advance, etc..) and have an OBII scan done - they do this free. It will identify all faults that computer has tracked and will identify what is causing running issues.

Mar 14, 2011 | 1997 Jeep Grand Cherokee

2 Answers

1996 Jeep Grand Cherokee No Start


I would be thinking that there is a good chance that you need to be checking out replacing the computer, if you aren't getting any communication with the proper scan tool then the computer isn't communicating with anything in the vehicle...... I would have guessed first off that the ignition control module might be bad but that is obviously part of the computer also, I would be looking in that direction.

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