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2000 Chevy Malibu engine surges

Tiny
ANNJOHN
  • MEMBER
  • 2000 CHEVROLET MALIBU
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 18,000 MILES
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.
Sunday, August 22nd, 2010 AT 6:47 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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.
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Sunday, August 22nd, 2010 AT 6:54 PM

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