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2003 Chevrolet Silverado 1500 HD LS 6.0L Misfire, MIL Lamp on
Posted to GM Driveability on 2/10/2022 22 Replies

Ok, this one has me baffled. Silverado comes in with rough running condition, check engine light flashing, scan system and pull 2 codes, random miss fire, and Bank 2 Lean. while observing data stream can see 99% of the miss fire is coming from cylinder #3....

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  Related Documents & Media  2003 Chevrolet Silverado 1500 HD LS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 HD LS

VIN 1GCGK13U03
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 HD LS

VIN 1GCGK13U03
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected