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Fuel pump won't run no blown fuses

Tiny
ODDIOGUY
  • MEMBER
  • 1992 TOYOTA PREVIA
  • 125,000 MILES
1992 toyota previa, 125000 miles customer has replaced fuel pump before, fuel pump runs if unplug it, and apply power to the pump leads, ecu shows no codes, there is also no spark, but I have power to the coil, all relays working, and no spark or codes, any ideas?
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Friday, November 11th, 2011 AT 10:01 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,724 POSTS
I would check the EFI and the circuit open relay which controls the fuel pump here is a guide and the locations of the relay.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (Below). Please let us know what you find.

Cheers
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Friday, November 11th, 2011 AT 10:02 PM
Tiny
MRY1539
  • MEMBER
  • 2 POSTS
Yep it was the EFI relay that was bad all corroded once I replaced it the engine fired right up thanks for the advice I love this site.
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Thursday, July 19th, 2018 AT 4:01 PM

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