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1995 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 8/18/2007 38 Replies

This Blazer came into my shop barely running MIL light on spewing rich fumes, the wires shorting out and plugs looked to be original. The tune up did not solve all problems. I immediatly get the P0325 knock sensor code. I replaced the sensor and checked all co...

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car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNDT13W6S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CMFI
EmissionsNot OBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0325Knock Sensor 1 Circuit Malfunction
P1441EVAP Vacuum Switch Circuit High Input
Message Closed w/FIX

car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNDT13W6S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CMFI
EmissionsNot OBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0325Knock Sensor 1 Circuit Malfunction
P1441EVAP Vacuum Switch Circuit High Input