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2001 Chevrolet Blazer LS 4.3L SES Light
Posted to GM Electrical on 1/11/2012 7 Replies

ok i have a tough on here need help....replaced fuel pressure sensor, pcm an wire from pcm to fps... still getting P1639 5v refernce 2.....not sure what else to look for here unless there is something im missing any help or leads would be great

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  Related Documents & Media  2001 Chevrolet Blazer LS

 
Message Closed

car Vehicle Data

2001 Chevrolet Blazer LS

VIN 1GNDT13W81
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedSES Light
ConditionsSES Light
Message Closed

car Vehicle Data

2001 Chevrolet Blazer LS

VIN 1GNDT13W81
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedSES Light
ConditionsSES Light