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1990 4runner 3.0 fuel electrical issue

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Old Apr 16, 2015 | 01:05 PM
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seaninthebox's Avatar
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1990 4runner 3.0 fuel electrical issue

1990 4RUNNER 3.0L 160K

ISSUE - CRANK, NO START

HERE ARE THE THINGS I KNOW OR HAVE DONE: WHEN I JUMP DIAG PINS B+ AND FP, TRUCK DOES NOT START. I HAVE POWER AT THE FUEL PUMP CONNECTOR LOCATED UNDER THE REAR SEAT. WHEN I PROVIDE POWER TO THE FUEL PUMP (FROM AN OUTSIDE SOURCE), THE VEHICLE STARTS AND RUNS FINE. I'VE SWAPPED OUT THE CIRCUIT OPENING RELAY WITH A KNOWN GOOD RELAY. I REMOVED THE PLASTIC COVER TO THE VAFM AND EVERYTHING SEEMS OK, I EVEN DID OHM TESTING AND ALL WERE WITHIN SPEC.

IF YOU NEED HELP HELPING ME, I FOUND A GOOD SITE WITH A LOT OF GREAT INFO AND WIRING DIAGRAMS
http://tacoma.site40.net/4Runner_90-...l/contents.htm

THANKS!
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