2003 GMC Sonoma Extended Cab "fuel pump" Questions

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Question about GMC Sonoma

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...fuel pump problems. I replaced the fuel pump and now the truck will not start. There is spark and there is flow at the filter, but it is very difficult to track the fuel line to the fuel rail. When I ...

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...fuel pump relay switch in a 1999 gmc sonoma I just replaced my fuel pump, fuel filter, fuel pump relay fuse, and my starter solenoid. When I replaced the fuel pump, I went at by removing the bed of ...

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...fuel pump 5-8 times before it will start. Any suggestions. Your loosing your fuel pressure in the system when you shut down the engine. You could have a leak in your fuel pressure regulator or your ...

Question about GMC Sonoma

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where is fuel pump located on 1992 GMC Sonoma? The fuel pump is located inside the fuel tank. To change the fuel pump, either the fuel tank must be removed, or the bed of the truck must be removed.

fuel pump) on without starting the engine.  If fuel pressure drops back down quickly after fuel pump stops working (works for only 5 sec.) then you have a bad fuel pump or leaking injector spider

fuel pump,which line goes where in the pump? I swapped out the pump,forgot to mark lines.what line goes to what point on fuel pump? the line that feeds fuel filter is the 1 that connects to pump,other

Question about GMC Sonoma

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fuel pump again My 99 gmc sonoma just had its fuel pump replaced. When i accel to get back onto the highway it kinda thumps like its trying to accel but wont. Yes the fuel pump and some dirts might be

Question about GMC Sonoma

3 Answers

...fuel pump is connected correctly by listening to it after turning the key to the on position without starting, it should buzz for five seconds or so, if you dont hear this, start with your electrical ...

Question about GMC Sonoma

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Fuel pump wont shut off I have a 1992 GMC sonoma and the fuel pump is still on when I kill the truck, it is not pumping fuel into the throttle body but the pump is still on. I changed the relay on the

Question about GMC Sonoma

2 Answers

Fuel pump problem I have a 1998 GMC 3500 7.4 V8 pickup. Sometimes when I turn on the key the fuel pump won't come on and it won't start. Then it will run and start fine for several days. I had the ...

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