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Fuel Troubles on my 1987 S10


austinvuichard
08-30-2008, 06:43 PM
1987 GMC S15
2.8L Throttle Body EFI

Well, I appear to be having trouble getting fuel to the engine of my truck. I am guessing that it is the fuel pump because it will run as long as I pour the gas into the engine. However, before I do the dirty work by dropping the tank, I was wanting to know is there a relay or fuse anywhere that I can check? Also, is there a test lead?

I checked under the dash and cannot find a fuse. Also, I read that the test wire was on/near the drivers fender. I cannot seem to find it.

Any help would be highly appreciated.

MT-2500
09-02-2008, 03:40 PM
Fused by EMC Battery fuse no 9.
Fuel pump relay on left inner fender panel.
Check fuel pump for 12 volts to it engine canking or key on 2 second prime up.

MT-2500
09-02-2008, 03:45 PM
Also check oil pressure switch for proper fuel pump operation.

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