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1999 Chevrolet Astro 4.3L Excessive Emissions, MIL Lamp on
Posted to GM Driveability on 5/15/2011 12 Replies

This vehicle have a issue for emissions it will not set the cat monitor to run for some reason it will not run is there something that im missing with this p0146 code ?.

12 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Astro

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Astro

VIN 1GNDM19W7X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursHot, Under Load

Trouble Codes

P0146Heated Oxygen Sensor (Bank 1 Sensor 3) Insufficient Activity
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Astro

VIN 1GNDM19W7X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursHot, Under Load

Trouble Codes

P0146Heated Oxygen Sensor (Bank 1 Sensor 3) Insufficient Activity