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2008 Chevrolet Silverado 1500 WT 5.3L Hesitation, Misfire
Posted to GM Driveability on 6/29/2016 16 Replies

Scanned with snap on modis ultra 16.2 Customer states check engine light on, has no power on accel. Getting worse. Replaced all 02 sensor and performed ignition tune up. Roadtest, under heavy load vehicle hesitates, no power, check engine light flashing.. New ...

16 Replies Received (View Replies)

  Related Documents & Media  2008 Chevrolet Silverado 1500 WT

 
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Silverado 1500 WT

VIN 2GCEK19J18
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Sefi
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire
OccursOn Accel

Trouble Codes

P0300Multiple Misfire Detected
P0430Catalyst Efficiency Below Threshold (Bank 2)
P2270Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Silverado 1500 WT

VIN 2GCEK19J18
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Sefi
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire
OccursOn Accel

Trouble Codes

P0300Multiple Misfire Detected
P0430Catalyst Efficiency Below Threshold (Bank 2)
P2270Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean