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1998 Chevrolet Malibu 2.4L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on
Posted to GM Driveability on 10/28/2009 17 Replies

This vehicle came in running very poorly. I have found various problems with several systems as you can tell by the repair history.(the exhaust cam was even off a tooth due the the tensioner malfunction) Now I have isolated a misfire and bucking going up hill ...

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car Vehicle Data

1998 Chevrolet Malibu

VIN 1G1ND52T0W
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0125Engine Coolant Temperature Sensor Slow Response
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
P0420Catalyst Efficiency Below Threshold (Bank 1)
P1171Fuel System Lean During Acceleration Detected
Message Closed

car Vehicle Data

1998 Chevrolet Malibu

VIN 1G1ND52T0W
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0125Engine Coolant Temperature Sensor Slow Response
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
P0420Catalyst Efficiency Below Threshold (Bank 1)
P1171Fuel System Lean During Acceleration Detected