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1993 Chevrolet Lumina 3.1L Misfire, ONLY WHEN COLD
Posted to GM Driveability on 7/30/2002 9 Replies

this car has multiple missfires on all cyl. but mostly on 2&3 and only when the engine temp is under 200

i checked for arcing at the coils but looks ok

i also looked for vaccume leaks with a smoke machine and found none

could not find anything in alldata re...

9 Replies Received (View Replies)

  Related Documents & Media  1993 Chevrolet Lumina

 
Message Closed w/Summary

car Vehicle Data

1993 Chevrolet Lumina

VIN 2G1WL52M6T
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD11,FEDERAL
SymptomsMisfire, Only When Cold
OccursCold

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

1993 Chevrolet Lumina

VIN 2G1WL52M6T
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD11,FEDERAL
SymptomsMisfire, Only When Cold
OccursCold

Trouble Codes

P0300Multiple Misfire Detected