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2000 Chevrolet Blazer LS 4.3L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on
Posted to GM Driveability on 10/1/2013 30 Replies

Hello fellow techs and thanks in advance for taking the time to read and help us,

this vehicle came in with the typical intake gasket leak and cold start misfire. vehicle has 150k miles on it and never had a the MFI unit replaced, suspected faulty poppet. whe...

30 Replies Received (View Replies)

  Related Documents & Media  2000 Chevrolet Blazer LS

 
Message Closed w/Summary

car Vehicle Data

2000 Chevrolet Blazer LS

VIN 1GNDT13W6Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P1351Mass Airflow Sensor Circuit Performance
Message Closed w/Summary

car Vehicle Data

2000 Chevrolet Blazer LS

VIN 1GNDT13W6Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P1351Mass Airflow Sensor Circuit Performance