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Sudden no start. So before I replace main fuel pump... 200 1991

posted by  someone claiming to be benzo on  Sat Mar 12 23:04 CST 2011 [RELATED]

Good day,
Today, I went to pick some stuff up at work. The car was parked for an hour. When I went to leave it wouldn't start. It cranked, but I couldn't hear the main pump both on KPII right before start or when jumping fuse 4 and 6. I noticed the fuel pump relay didn't work and replaced it for a working one, but still no main pump. I read in the FAQ that when the pump goes out you should also replace the relay due to:

"High current loads from a failing main pump will cause extreme arcing across the point contacts on shut down and damage the diode protection circuit."

When I popped the cover off the relay, I noticed black spots on some contact areas, not much but some.

To me the main fuel pump seems like the culprit and I have one on my spare car. Is there anything else besides the wiring that I should check before I start pulling stuff apart?

Thanks!

John Mpls





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