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2001 Chevrolet Silverado 1500 5.3L Smog Test "Not Ready
Posted to GM Driveability on 6/6/2018 12 Replies

Pickup not passing smog test, due to incomplete secondary air monitor. Multiple drive cycles run from cold start; all other monitors completed. Coolant temp normal, ECT, IAT matching +/-2 degrees on cold starts. Oxygen sensors at ~150mV on cold starts, with ai...

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Message Closed w/Summary

car Vehicle Data

2001 Chevrolet Silverado 1500

VIN 1GCEK19T61
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsSmog Test "Not Ready
OccursAlways
Misc.4WD
Message Closed w/Summary

car Vehicle Data

2001 Chevrolet Silverado 1500

VIN 1GCEK19T61
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsSmog Test "Not Ready
OccursAlways
Misc.4WD