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GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Anyone have the answer for this problem?: 2001 Chevy s10 4.3

Customer Question

Anyone have the answer for this problem? : 2001 Chevy s10 4.3 keeps dying no codes showing up, it has 62 psi fuel pressure idling. It seems like ignition is switching it off cause fuel pump appears to cycle instantaneously when it dies and the fuel pressure gauge goes up a little past 62 psi then sets back on 62 psi. The fuel system goes from closed loop to open then must turn key off and on to restart then shows closed loop once again and will idle fine for an unspecified time before dying again. Things checked include fuel pump wiring, fuel filter, MAF sensor, battery terminal connections, alternator charging output, no DTC appear at all.
Submitted: 10 months ago.
Category: Chevy
Expert:  Tim's Auto Repair replied 10 months ago.

Hi, My name is ***** ***** for the delay.
I will do my best to assist you.