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1998 Chevrolet Malibu 2.4L Poor Idle Quality
Posted to GM Driveability on 3/25/2003 7 Replies

Runs rough only @ idle! Drive good down the road! Checked for vacuum leaks - none found, induced propane & rans alittle better! IAC counts = 45 area. Fuel pressure 42#'s. Only code is P0300. Removed egr valve & inspected - no problems w/valve. Coolant & air te...

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Message Closed w/Summary

car Vehicle Data

1998 Chevrolet Malibu

VIN 1G1ND52T6W
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet Malibu

VIN 1G1ND52T6W
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected