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2000 Chevrolet Tahoe 5.3L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 6/28/2007 4 Replies

hi gus we have this tahoe with p1221. customer complain is mil and reduced engine power [...] engine vehicle has no power customer turned key off waited 2 minutes and restarted [...] ran good again. Another technician pulled dtc but he did not get freez frame ...

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  Related Documents & Media  2000 Chevrolet Tahoe

 
Message Closed w/Summary

car Vehicle Data

2000 Chevrolet Tahoe

VIN 1GNEC137XY
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursCold

Trouble Codes

P1221TP Sensor 2 1-2 Correlation
Message Closed w/Summary

car Vehicle Data

2000 Chevrolet Tahoe

VIN 1GNEC137XY
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, MIL Lamp On
OccursCold

Trouble Codes

P1221TP Sensor 2 1-2 Correlation