Hesitation when going any speed

Asked by Zach Sep 13, 2018 at 09:15 PM about the 2004 Buick Regal GS Sedan FWD

Question type: Maintenance & Repair

I have a 2004 buck regal gs but anyhow when I'm
going any speed then give it some more gas my
car hesitates or bogs ( fall on it's face ) , it also
seems like my car doesn't know how to downshift I
have know idea what  it could be . I recently
replaced my o2 sensors and it's has not catalytic
converter on it .

1 Answer
9,515

brotherben answered 5 years ago

Check your throttle position sensor, MAFS, and fuel pressure.

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