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2002 Chevrolet Blazer LS 4.3L Misfire
Posted to GM Driveability on 2/12/2007 13 Replies

while viewing misfire data and holding throttle at approx 1500 rpm, cyls # 1 and # 4, will show misfire. intt one or two other cyls # 3 or # 5 will show misfire, (but only one or two misfires) on a road test no misfire is felt. the pcm has the latest software....

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  Related Documents & Media  2002 Chevrolet Blazer LS

 
Message Closed w/Summary

car Vehicle Data

2002 Chevrolet Blazer LS

VIN 1CHCS1BW02
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMisfire
Occurs1500 RPM in Park/Neutral
Misc.2 Door (Extreme)

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/Summary

car Vehicle Data

2002 Chevrolet Blazer LS

VIN 1CHCS1BW02
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMisfire
Occurs1500 RPM in Park/Neutral
Misc.2 Door (Extreme)

Trouble Codes

P0300Multiple Misfire Detected