I have a 2002 GMC Sierra 1500 extended cab sle. The fuel pump went out on it about six months back. I replaced it and my truck drove and ran like a champ. A few weeks down the road the fuel pump would

Asked by jwinsett Feb 14, 2015 at 10:48 AM about the 2002 GMC Sierra 1500 SLE Extended Cab SB

Question type: Maintenance & Repair

Start cutting out on me going down the
road or it just wouldn't start at all. So I
replaced the pump again for a 2nd time and
it's been running great for almost 5 months.
Now it is starting with the same problems
all over again. Any suggestions on what
might be the problem and solution to the
problem?

2 Answers

45,470

Have you replaced the fuel filter? Cleaned the injectors? Are you positive that its the fuel pump? If could be the TPS or MAP sensors bad wire connections at the fuel pump, any of the injectors could be bad. It could even need a tune up or coil pack(s).

2 people found this helpful.
15

check the ground wire for the pump fathers truck did the same thing

1 people found this helpful.

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