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2002 Chevy Malibu

Tiny
BLACKLABLE
  • MEMBER
  • 2002 CHEVROLET MALIBU
Engine Performance problem
2002 Chevy Malibu 6 cyl Front Wheel Drive Automatic

engine hesitation at 1800rom to 3000rpm, runs normal then stays at 4400rpm and wont shift untill you let off the gas.
Wednesday, February 10th, 2010 AT 9:53 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test all the following listed below:

Oxygen sensor
Catalytic converter
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)
Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Cap and rotor

Note:If it doesn't apply disregard.
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Thursday, February 11th, 2010 AT 12:40 AM

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