After changing the fuel pump, my 2006 Envoy Slt won't start the first time
3 Answers
What was the reason you changed the fuel pump?
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Faulty fuel regulator diaphragm will give you that issue.
Pull the OBD II codes First before you start to through money at things How or why did you decide it was the fuel pump ???????????????? How thick is your wallet ? just keep throwing money at it till it's not so thick and then you'll learn to diaignose the problem first before you empty your wallet at the parts store