Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
you still need to test the fuel presure..these must have no less then 60psi at all times,,it is common to get a bad new pump
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Test Description The numbers below refer to the step numbers on the diagnostic table.
Notice: Do not allow the fuel pressure to exceed 517 kPa (75 psi). Excessive pressure may damage the fuel pressure regulator.