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1998 Chevrolet Malibu 2.4L Poor Idle Quality, Misfire
Posted to GM Driveability on 6/17/2016 22 Replies

Hey guys I'm about to pull my hair out on this one. Car randomly specially in mornings idles low, misfires all cyll. O2 goes lean between 100–400mv st fuel trim goes up to -30 as if it's running rich than all this happens. Map is about 1.5v 13inch vac. R&r map...

22 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet Malibu

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Malibu

VIN 1G1ND52T5W
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Malibu

VIN 1G1ND52T5W
Engine2.4 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected