Jeep wont fire

Tiny
TERRYSHERI
  • MEMBER
  • 2000 JEEP GRAND CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
2000 Jeep Grand Cherokee LImited. Was running great. Went to start and acted like it was flooded and wouldnt spark. Changed oil & filter and new plugs, still wont fire.
Friday, December 17th, 2010 AT 7:32 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do below:

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine at least 3/16 away from ground -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, Do you hear the fuel pump come On when you turn key on? If not check fuel pump fuse and fuel pump relay if so, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it.
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Sunday, August 30th, 2020 AT 10:41 AM

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