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2002 Chevrolet Blazer LS 4.3L MIL Lamp on
Posted to GM Driveability on 5/30/2006 3 Replies

maf tps map readings @signal wire at pcm are the same as above but readings on scan tool are zero all the time i have 5v ref ground at all sensors all sensors ohm out o.k.

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  Related Documents & Media  2002 Chevrolet Blazer LS

 
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Blazer LS

VIN 1GNCT18W42
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 Chevrolet Blazer LS

VIN 1GNCT18W42
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
P0300Multiple Misfire Detected