HELP!!! 96 Astro will not start - Fuel Suppl./Press. ctr.??


Old 06-20-07, 09:58 AM
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HELP!!! 96 Astro will not start - Fuel Suppl./Press. ctr.??

I have a 96 Astro with 110k, 6CYL. The fuel pump will not come on. I replaced the pump and filter - still the same problem. I replaced the relay - no luck. I then jumped the conection on the relay port - and the pump will run. The relay is energized thru ECM. Once the pum is running the engine will start and run - once I remove the jumper to run the fuel pump the pump stops and engine stops running. Is there a pressure switch or something of that kind what tells the pump to turn on? Thank you for any help you can give me.

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Old 06-21-07, 09:30 PM
Join Date: Apr 2006
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Really! YOU TOO!!

Had the exact same problem.
Check the connection on the top of the fuel pump carrier. (where the wires go through the top of the tank) I think that yours should be a yellow connector. Unplug the wires on the inside of the tank and check out the pins. If any of them look black or burnt, or look like they have a tar like substance on them, there's your problem. Bad connection. Hopefully, the harness from the carrier to the pump is the problem.

Here's a link that solved my issue:

I messed with this 3 times. It never failed that right after I topped off the 26 gal. fuel tank, the darn thing would die...

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