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1997 Oldsmobile Silhouette 3.4L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 12/7/2009 21 Replies

car came in for rough running all speeds. engine will run for 2 seconds smooth when first started & then misfire. cleaned injectors with gm injector cleaner, vacuum readings normal. spark plugs are correct, firing order is correct checked coils for arcing subs...

21 Replies Received (View Replies)

  Related Documents & Media  1997 Oldsmobile Silhouette

 
Message Closed w/Summary

car Vehicle Data

1997 Oldsmobile Silhouette

VIN 1GHPU06EV5
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0304Cylinder 4 Misfire Detected
Message Closed w/Summary

car Vehicle Data

1997 Oldsmobile Silhouette

VIN 1GHPU06EV5
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0304Cylinder 4 Misfire Detected