2000 Chevy Malibu engine surges

2000 CHEVROLET MALIBU
18,000 MILES • 6 CYL • FWD • AUTOMATIC
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ANNJOHN
  • MEMBER
  • 1 POST
Engine surges at highway speed when climbing a grade or upon hard eceleration whether or not cruise control is engaged. When cruise is engaged a tap on the decelerate button will correct the situation.
Aug 22, 2010 at 6:47 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Inspect and test all the following listed below its long but its worth the try that will cuase surging/hesistation

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking,fuel filter or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.
Aug 22, 2010 at 6:54 PM
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