1997 Infiniti Q45 Won't Start Problem

Tiny
1BIGBEN
  • MEMBER
  • 1997 INFINITI Q45
  • V8
  • 2WD
  • AUTOMATIC
  • 180,154 MILES
I tried to start the car today after pulling it in last night. It cranks but not close to starting and it always starts quick and easy. I changed the fuel filter as it had been 30,000 kiles since it was done last but it did not start after this effort. I plugged in my scan tool and read no codes.
Any ideas?
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Monday, March 15th, 2010 AT 5:30 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER
Cranks but no start condition:

Fuel and Spark:
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, 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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Monday, March 15th, 2010 AT 6:12 PM

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