1998 Jeep Cherokee crank but will not run

Tiny
SILRON
  • MEMBER
  • 1998 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
Hello, I have a 1998 jeep cherokee with a 4.0L and 6 cylinder in line.A year ago it started to not run when the key was turn on for first time (the engine only cranked), it will run when the key was turn on for the second time, after checking the battery, starter, fuel injection system, fuel pump, fuel filter, spark plug, distributor, keys switch, all this parts are good, I was told that the problem was the crankshaft position sensor, I continued to drive the car with the problem for a while until the engine stop while I as driving.(The engine did crank but not run), so replaced the crankshaft sensor and the engine run well now, however most time I still need to turn the key on 2 time for the motor to run.I do noticed that the check gauges light comes on for 2 seconds after the motor runs. Any help please. Thanks
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Sunday, August 10th, 2008 AT 7:00 PM

4 Replies

Tiny
MASTERTECHTIM
  • MEMBER
Are you getting a 2 second fuel pump prime when first turning key on? You need to check fuel pressure and make sure you are. P[ossible fuel pump relay is bad causing no fuel pump prime.
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Tuesday, August 12th, 2008 AT 6:29 AM
Tiny
SILRON
  • MEMBER
Thanks for answering, when I turn the key on I do hear the pump on, I will get a fuel pressure tester and check for pressure
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Tuesday, August 12th, 2008 AT 8:53 PM
Tiny
SILRON
  • MEMBER
Is the fuel pump relay in the pump?
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Tuesday, August 12th, 2008 AT 8:56 PM
Tiny
MASTERTECHTIM
  • MEMBER
No the fuel pump relay is located under hood
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Thursday, August 14th, 2008 AT 8:37 PM

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