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1999 Chevrolet Blazer 4.3L Misfire
Posted to GM Driveability on 8/8/2009 29 Replies

vehicle was towed in three weeks ago with a no start condition. found injector unit leaking. replaced with mfi unit. vehicle ran well, cust took and brought it back 3 weeks later running rough. it had a p0300. misfire monitor showed cyl.#1&6 counting up misfir...

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  Related Documents & Media  1999 Chevrolet Blazer

 
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car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13W6X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13W6X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected