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International Automotive Technicians Network
1999 Chevrolet Blazer 4.3L Misfire, MIL Lamp on
Posted to GM Driveability on 2/16/2007 19 Replies

We have a S-Blazer here that will set a random misfire code [...] in with mil on po300 with original ignition parts...replaced all, vehicle ran [...] back a few days later same [...] frame shows p0301 or p0306...different codes on different [...] both freeze f...

19 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Blazer

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13W9X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13W9X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected