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2007 Chevrolet Silverado 1500 Classic WT 5.3L MIL Lamp on
Posted to GM Driveability on 2/20/2016 21 Replies

Vehicle failed emmission for converter not running test customer was told to drive 150 more to let test run before retesting,by then code p0422 came back and still did not run converter test either,perform smoke test found no evident leaks check voltage a vent...

21 Replies Received (View Replies)

  Related Documents & Media  2007 Chevrolet Silverado 1500 Classic WT

 
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car Vehicle Data

2007 Chevrolet Silverado 1500 Classic WT

VIN 1GCEK19B17
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0422Catalyst Efficiency Below Normal (Bank 1)
Message Closed

car Vehicle Data

2007 Chevrolet Silverado 1500 Classic WT

VIN 1GCEK19B17
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0422Catalyst Efficiency Below Normal (Bank 1)