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1995 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Misfire
Posted to GM Driveability on 8/10/2004 13 Replies

Cyl's 2, 4, & 6 were not getting fuel while 1, 3, & 5 were showing rich condition. Replaced all plugs and CFI unit. All cylinders are firing now, but have a miss (PO300) and the only cylinder that will show a misfire code is #5. Cylinder #5 has 130 PSI compres...

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car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNDT13W7S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire
OccursIdle
Misc.4X4 Automatic

Trouble Codes

P0300Multiple Misfire Detected
P0305Cylinder 5 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNDT13W7S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire
OccursIdle
Misc.4X4 Automatic

Trouble Codes

P0300Multiple Misfire Detected
P0305Cylinder 5 Misfire Detected