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2004 Chevrolet Trailblazer LS 4.2L No Start
Posted to GM Driveability on 5/18/2015 15 Replies

Hello and thanks for viewing this help request. This vehicle is a no start. Customer removed engine from truck and sent it to machine shop for rebuild. He reinstalled rebuilt engine and he states it started up and ran fine for about 30 minutes and then the eng...

15 Replies Received (View Replies)

  Related Documents & Media  2004 Chevrolet Trailblazer LS

 
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car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN 1GNES16S24
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P0223Throttle Position Sensor 'B' Circuit High Voltage
P0621Generator L-Terminal Circuit Malfunction
Message Closed

car Vehicle Data

2004 Chevrolet Trailblazer LS

VIN 1GNES16S24
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsNo Start
OccursAlways

Trouble Codes

P0122Throttle Position Sensor Circuit Low Voltage
P0223Throttle Position Sensor 'B' Circuit High Voltage
P0621Generator L-Terminal Circuit Malfunction