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1990 Chevrolet C1500 Cheyenne 5.7L MIL Lamp on
Posted to GM Driveability on 5/24/2004 12 Replies

This truck has me baffled. It was brought in with mil on an code 43 stored. I cleared code and test drove the truck and code 43 came back so I began testing as follows.

Performed dtc 43 in manual No knock present at Idle

Tapped on engine block...NO knock reg...

12 Replies Received (View Replies)

  Related Documents & Media  1990 Chevrolet C1500 Cheyenne

 
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet C1500 Cheyenne

VIN 2GCEC14K8L
Engine5.7 L / 8 cyl / GAS
Trans4-speed Standard
DeliveryFI / TBI
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

43Problem with ESC Module
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet C1500 Cheyenne

VIN 2GCEC14K8L
Engine5.7 L / 8 cyl / GAS
Trans4-speed Standard
DeliveryFI / TBI
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

43Problem with ESC Module