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2000 Toyota Celica Injector Pulse

Tiny
TOM36
  • MEMBER
  • 2000 TOYOTA CELICA
  • 4 CYL
  • 2WD
  • MANUAL
  • 70,000 MILES
Stuck on this car have fuel to the rail plenty of spark and no injector pulse? Checked all fuses and all relays all work just fine if I manually ground each injector. I am stuck and sure its either in the ecm or a broken wire somewhere between the ecm and the injectors any help or suggestions would be great. Thanks
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Thursday, March 26th, 2009 AT 7:57 PM

3 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
I would check the injector harness for missing insulation, the injectors use a common ground, so I would suspect the wiring, before replacing the ECM.
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Friday, March 27th, 2009 AT 7:49 AM
Tiny
TOM36
  • MEMBER
  • 2 POSTS
How can I check the ecm toyota dealership is far away and pricey any other way?
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Saturday, March 28th, 2009 AT 12:08 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
I would probably try a junkyard for a used ECM. Plug it in and see if injectors work.

If the fuses/fuseable links/relays are all OK, then the injector drivers in the ECM are burned out.
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Saturday, March 28th, 2009 AT 10:04 PM

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