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2007 Chevrolet Silverado 1500 WT 5.3L MIL Lamp on
Posted to GM Driveability on 3/5/2013 3 Replies

Bank 1 and 2 read rich mostly at idle LT -8 MAF 4.9-5.5 @idle. Reset fuel comp and trim, cleaned maf no change. fuel pressure good air filter good cleaned throttle body

3 Replies Received (View Replies)

  Related Documents & Media  2007 Chevrolet Silverado 1500 WT

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Silverado 1500 WT

VIN 3GCEK13387
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Idle

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Silverado 1500 WT

VIN 3GCEK13387
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Idle

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)