04 chev impala 3.8 loss of power when excelerating

Asked by Aug 07, 2017 at 10:37 PM about the 2004 Chevrolet Impala LS

Question type: Maintenance & Repair

Replaced fuel pressure regulator and fuel filter.
.still have loss of power..what next?

2 Answers

7,715

do u know how much psi in the fuel rail?

7,715

there should be 2000 rpms before shifting.

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