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International Automotive Technicians Network
1999 Chevrolet Blazer 4.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Posted to GM Driveability on 12/26/2005 16 Replies

Hi Chevy techs Did a tune up, still missing one-two clyinders,Did a Scan on generics P1347 cam and crank sensors. Swapped crank sensors no change. First time on this model, Where is the cam sensor / or am i running up the wrong tree, any ideas Chevy Techs you ...

16 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Blazer

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNCS13W6X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / vortex 4.3l
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursAlways
Misc.Suv

Trouble Codes

P1347Mass Airflow Sensor Circuit low
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNCS13W6X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / vortex 4.3l
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursAlways
Misc.Suv

Trouble Codes

P1347Mass Airflow Sensor Circuit low