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2008 Chevrolet Silverado 1500 LTZ 6.0L Misfire
Posted to GM Driveability on 6/20/2018 16 Replies

Hi Everybody, I have this 08 Silverado that has a misfire when slowing down when hot. #1 cylinder is the offending cylinder and what I have discovered is its the AFM that does not turn off on #1 when commanded off (Ether the lifter sticks or the solenoid s...

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  Related Documents & Media  2008 Chevrolet Silverado 1500 LTZ

 
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Silverado 1500 LTZ

VIN 2GCFK19Y88
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Intermittently
Misc.4 Wd

Trouble Codes

10WCatalyst effiecency low Bank 2
CATA1
EFF1E
P0300Multiple Misfire Detected
P0430Catalyst Efficiency Below Threshold (Bank 2)
P0449PCM Internal Fault
P0521Engine Oil Pressure Sensor Performance
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Silverado 1500 LTZ

VIN 2GCFK19Y88
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Intermittently
Misc.4 Wd

Trouble Codes

10WCatalyst effiecency low Bank 2
CATA1
EFF1E
P0300Multiple Misfire Detected
P0430Catalyst Efficiency Below Threshold (Bank 2)
P0449PCM Internal Fault
P0521Engine Oil Pressure Sensor Performance