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2008 Chevrolet Avalanche LS 5.3L No Start, Misfire
Posted to GM Driveability on 3/25/2024 12 Replies

this was towed in with the battery disconnected. I hooked up the battery and this would not even click the starter. I put the original pcm in the vehicle and it would crank but not start. I checked for injector pulse and have no pulse and no spark. I check...

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car Vehicle Data

2008 Chevrolet Avalanche LS

VIN 3GNEC12038
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MULTIPORT
EmissionsOBD-II Compliant
SymptomsNo Start, Misfire
OccursAlways

Trouble Codes

P0118Engine Coolant Temperature Sensor Circuit High Voltage
P0122Throttle Position Sensor Circuit Low Voltage
P0223Throttle Position Sensor 'B' Circuit High Voltage
P0315Crankshaft Position Sensor Not Learned
P0443EVAP Canister Purge Valve Circuit Malfunction
P0633SKIM Key Not Programmed In PCM
Open Help Request

car Vehicle Data

2008 Chevrolet Avalanche LS

VIN 3GNEC12038
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MULTIPORT
EmissionsOBD-II Compliant
SymptomsNo Start, Misfire
OccursAlways

Trouble Codes

P0118Engine Coolant Temperature Sensor Circuit High Voltage
P0122Throttle Position Sensor Circuit Low Voltage
P0223Throttle Position Sensor 'B' Circuit High Voltage
P0315Crankshaft Position Sensor Not Learned
P0443EVAP Canister Purge Valve Circuit Malfunction
P0633SKIM Key Not Programmed In PCM