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2009 Chevrolet Silverado 1500 WT 4.8L Poor Idle Quality, Cuts out, Stall
Posted to GM Driveability on 6/9/2015 11 Replies

Hello to all. I have this Silverado kicking me hard. It got towed in with a reduced power light and stall complaint. Started right up at the shop on the tow truck. Had service engine soon light on, pulled codes found P0641 5 volt reference 1 circuit problem. C...

11 Replies Received (View Replies)

  Related Documents & Media  2009 Chevrolet Silverado 1500 WT

 
Message Closed w/FIX

car Vehicle Data

2009 Chevrolet Silverado 1500 WT

VIN 3GCEK13C19
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Stall
OccursIntermittently

Trouble Codes

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

car Vehicle Data

2009 Chevrolet Silverado 1500 WT

VIN 3GCEK13C19
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Stall
OccursIntermittently

Trouble Codes

P0641PCM Sensor Reference Voltage 'A' Circuit Malfunction