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2008 Chevrolet Suburban 1500 LTZ 5.3L MIL Lamp on
Posted to GM Driveability on 9/6/2016 10 Replies

Vehicle came in with check engine light on po449 smoke tested found purge valve stuck open and vent valve will not close replaced both of them smoke tested passed .verified computer would turn valves on and [...] codes truck came back 3 days later same codes,s...

10 Replies Received (View Replies)

  Related Documents & Media  2008 Chevrolet Suburban 1500 LTZ

 
Message Closed w/Summary

car Vehicle Data

2008 Chevrolet Suburban 1500 LTZ

VIN 3GNF121638
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0449PCM Internal Fault
Message Closed w/Summary

car Vehicle Data

2008 Chevrolet Suburban 1500 LTZ

VIN 3GNF121638
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0449PCM Internal Fault