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2000 Jeep Laredo Engine Cranks Excessively

Tiny
REALTREE
  • MEMBER
  • 2000 JEEP GRAND CHEROKEE LAREDO
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 96,000 MILES
Thanks for your help!Turning on the ignition for a few seconds does not help.I tried turning the ignition on and off 3 times. This is supposed to display any fault codes. All it displays is DONE.I have tried pumping the gas when starting. This only helps a little when the engine is cold. Also, the check engine light is not on. The fuel pressure test went like this. Turn key on 50psi. Turn key off guage steadly blead back to 30psi within 3 minutes!I have pretty much tried everything. Please help!
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Wednesday, May 14th, 2008 AT 8:13 PM

1 Reply

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
Check for spark when you have the extended crank. If it doesw not have spark right away it could be a problem with crank sensor or ignition pick up coil not sending signal to asd relay at low cranking rpms.
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Wednesday, May 14th, 2008 AT 8:16 PM

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