Question about 1993 Jeep Grand Cherokee

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1990 jeep cherokee don't start

It would not start earlier today and had it towed to a shop when it arived every it started right up.  it start fine for the rest of the day untill late then it would not start a gain.

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Replace the crankshaft position sensor, a very common problem.

Posted on Mar 08, 2009

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My 2001 Jeep Grand Cherokee started knocking. Multiple local mechanics determined it needed new motor. A "reman" motor was puchased ($3600) and installed. On test drive the car ran great then...


All I can say is do some research online find a REPUTABLE shop and let them drive it until it dies. Three things are needed for an engine to run: spark, fuel, compression. I doubt it is a compression problem being that it is a new engine. Something is causing either spark or fuel to drop out, a good mechanic should be able to quickly identify what is missing from the equation. Find a shop with a lab scope that can test sensors that send signals to the engine computer. It could be as simple as a fuel pump getting hot and quitting. Good Luck!

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I recently had my 96 jeep into a shop becasue of a hard start. Thinking it may be battery or starter. Both of those passed tests just fine and ait actually started great for a week. Today it barely started...


Does your check engine light illuminate on the dash, when you turn the ignition on, right before cranking? If it does not light up, at those times when it's hard to start, then the main ecu might be in need of repair.

May 07, 2011 | 1996 Jeep Grand Cherokee

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1994 Jeep Grand Cherokee that will start sometimes.


you can have a bad coil you can have a bad crank sensor a bad cam sensor a bad throttle posistion sensor etc. if you can have someone do a diagnostic on the car to see if any codes are stored this will give you a good starting point.

Jun 18, 2010 | 1994 Jeep Grand Cherokee

2 Answers

90 jeep starting problem


Check the crank position sensor. I had the same problem in a 1989 cherokee 4.0, and the solution was simply to acomodate the sensor wiring. No replace was necesary

May 31, 2009 | 1990 Jeep Cherokee Limited

2 Answers

90 jeep starting problem


Try replacing the wire from the positive battery cable to the small terminal it is attched to. It is the smaller gauge wire that is attched to the battery terminal. Be sure to use the right gauge, don't over or undersize it. I had this problem and it did'nt stop until I changed this. Without this wire in good condition, the starter will crank too slow or not crank at all, mimicking other problems (like bad battery, bad starter , etc.). Post if it works.

May 17, 2009 | 1990 Jeep Cherokee Limited

1 Answer

2000 jeep cherokee starting problem


Try replacing the engine relay switch. It is located under the hood with the other relays. If not check the wires for ground. Check the battery cables , especially the cable that goes to the positive of the starter.

Apr 05, 2009 | 1998 Jeep Cherokee

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