1991 Toyota 4Runner Need help my daughters 4Runner having I

Tiny
MARSHA33
  • MEMBER
  • 1991 TOYOTA 4RUNNER
Electrical problem
1991 Toyota 4Runner 6 cyl Four Wheel Drive Automatic

We have replaced the battery and the altnator, the battery cables and the toyota still having trouble, it will be fine when she starts it up in the morning and when she stops some where and turns it off it wont start for a while, what can cause this? Help
Monday, July 13th, 2009 AT 12:11 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
When she stops some where and turns it off it wont start for a while

Next time it won't start don't wait do below to determine if its fuel or spark problem.

Disconnect a sparkplug wire or 2 and ground it to the engine -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, cap and rotor /distributor pick-up coil, ignition control module, ECM, Ignitor cam and crank sensors- Note: If it doesn't apply disregard it
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Monday, July 13th, 2009 AT 12:47 PM

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