1997 LEXUS LX 450 WHAT CAN CAUSE THE LEXUSNOT TO START?

  • Tiny
  • evenos36
  • 1997 Lexus LX 450

Engine Mechanical problem
1997 Lexus LX 450 6 cyl Four Wheel Drive Automatic

what is the multiple reason a lexus wont start?

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Saturday, October 2nd, 2010 AT 9:01 PM

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  • Tiny
  • rasmataz
  • Member

Pick your symptoms

**Cranks but no start condition:

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.

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

Could be a blown fusible link, the starter, starter relay, 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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Sunday, October 3rd, 2010 AT 6:25 AM

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