Sierra :: 1992 GMC Truck Fuel Pump Went Out


Apr 8, 2009

I have a 1992 GMC step side, short bed, 350 engine, Sierra, auto trans, factory air, factory exhaust, power steering.......

Three years ago the fuel pump went out. I have to work alone so I lowered the tank after draining and went through a lot of agony with floor jacks, supports, etc. but finally got the job done in 3 days.

The replacement was a Bosch fuel pump.

It went out today while I was at Sams stores. I got a pull home and it is in my driveway.

It started up once I got it home, but that is what it did the last time it went out, 3 years ago.

Question...should I check the ground first to make sure it is not getting intermittant ground or just do the job with a new pump?

Also, can I do this job by raising or sliding the bed after I unbolt it? I have heard war stories but no actual person that has done it.

Also, when moving the bed either up or sliding it back, isn't there a concern about wires that go to the tail lights?

I cannot afford the 500 dollar shop fee to have it towed and fixed.

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I don't get any codes from the tester with KOEO..just the good to go etc..no codes or the good to go 111..etc. Guess this problem can't be identified without motor running.

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