1997 Chevy Cavalier fuel pump

MAYNARD09

MEMBER
1997 CHEVROLET CAVALIER

Engine Performance problem
1997 Chevy Cavalier 4 cyl Front Wheel Drive Automatic

i just had my fuel pump changed yeterday, and for the first 4-6hours it ran just fine, now it cuts out real bad and "flutters" when I try to drive. Any ideas of what to do to fix this problem?

2 Replies

BLUELIGHTNIN6

MECHANIC
16,542 POSTS

Was the fuel filter replaced as well? Sounds like tank may have gotten dirt in it. Try replacing the fuel filter and placing some fuel injection cleaner and fuel treatment in your next fill up.

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Sunday, April 26th, 2009 AT 6:37 PM

RASMATAZ

MECHANIC
75,992 POSTS

Dirty fuel injectors (cleaning the injectors often fixes this).
Bad MAP (manifold absolute pressure) sensor
Bad TPS (throttle position) sensor
Bad or dirty MAF (mass airflow) sensor
Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
Bad gasoline (fuel contaminated with water or too much alcohol)

Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Wet plug wires

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Sunday, April 26th, 2009 AT 6:38 PM