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1999 Chevrolet Astro 4.3L Excessive Emissions
Posted to GM Driveability on 8/8/2013 7 Replies

I need some [...] van working [...] [...] cat is not ready for [...] outher systems are ready.I replaced cat and clear the [...] drove van for 3 monts .System are not [...] replace thermostat and rear O2 sensor but noting [...] for any help.

7 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Astro

 
Message Closed w/Summary

car Vehicle Data

1999 Chevrolet Astro

VIN 1GCDM19W2X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways
Message Closed w/Summary

car Vehicle Data

1999 Chevrolet Astro

VIN 1GCDM19W2X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways