Car want start

Tiny
TPERRY
  • MEMBER
  • 1996 JEEP CHEROKEE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 255,000 MILES
Car want start, purchase a new battery, replace the ingnition coil. What could be wrong.
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Thursday, December 16th, 2010 AT 11:06 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER
Pick your symptoms below

Cranks but no start:

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 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, cap and rotor, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it and keep testing

If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems
with compression and valves opening and closing at the wrong time/broken or jumped timing
belt/chain.

No crank at all/nothing/nada when key is engage to starting position

Could be a blown fusible link, the starter, starter relay, clutch switch/park and neutral switch/transmission position switch and ignition switch assuming the battery and connections are good. Note:If it doesn't apply disregard.
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Thursday, December 16th, 2010 AT 11:19 PM

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