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2000 Chevrolet Blazer LS 4.3L Poor Idle Quality, Surge, Misfire, MIL Lamp on
Posted to GM Driveability on 1/16/2010 31 Replies

this blazer has had head gaskets replaced,lifters replaced. it had a po341 code that is now gone after replacing the ign module. i do not have a scanner to check dist but it is pointing to the 6 on the housing.i have tried to move the dist back one tooth and f...

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  Related Documents & Media  2000 Chevrolet Blazer LS

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Blazer LS

VIN 1GNCS18W3Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / fuel injected
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Misfire, MIL Lamp On
OccursAlways
Misc.Edi Ignition

Trouble Codes

P1345Mass Airflow Sensor Loose Contact With Low Frequency
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Blazer LS

VIN 1GNCS18W3Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / fuel injected
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Misfire, MIL Lamp On
OccursAlways
Misc.Edi Ignition

Trouble Codes

P1345Mass Airflow Sensor Loose Contact With Low Frequency