Fuel pump power...

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30 Sep 2024 10:39 - 03 Oct 2024 10:37 #22745 by Rbkurrus
Fuel pump power... was created by Rbkurrus
My 86.5 ran great-until it didn't.  After a 45 min. drive, went to move it and it died just after starting.  No power to the fuel pump--dead.  Relays all good, replaced fuel pump and filter, but still no power...  Any ideas/walkthrough on how to fix?  Thanks- Ryan (Fairfax Station, VA)
Last edit: 03 Oct 2024 10:37 by Rbkurrus.

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08 Oct 2024 09:20 #22749 by Rich928
Replied by Rich928 on topic Fuel pump power...
There is a fuel pump fuse, did you check that?

Remove the fuel pump relay. Check the voltage at relay socket position 30 (look to the relay and it will show the pin position). There should be 12V (battery voltage at all times). If there isn't 12V, there is an open circuit from the battery.

If there is 12V then place a jumper wire between the 30 and 87 position of the relay socket. You should hear the fuel pump running. If you do not hear the fuel pump it may have failed or the wires to the pump may be cut.

If the fuel pump runs, see if the engine will start. If the engine starts the LH fuel injection module has probably failed. I can fix that problem. You can contact me at electronikrepair@earthlink.net

Rich
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