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2008 Chevrolet Express 1500 4.3L MIL Lamp on
Posted to GM Driveability on 3/7/2012 6 Replies

we have monitored all 5v ref sensors with lap top as problem occurrs freeze frame data is not showing any sensor [...] failure trip was at 1050 rpm while backing out of our [...] you clear the code the vehicle runs normal no misfires or performance issues unti...

6 Replies Received (View Replies)

  Related Documents & Media  2008 Chevrolet Express 1500

 
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Express 1500

VIN 1GCFG15X68
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / central port injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Hot, Intermittently

Trouble Codes

P0641PCM Sensor Reference Voltage 'A' Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Express 1500

VIN 1GCFG15X68
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / central port injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Hot, Intermittently

Trouble Codes

P0641PCM Sensor Reference Voltage 'A' Circuit Malfunction