
1990 Chevrolet K1500 Cheyenne 5.7L PCM
Hello Friends, Passing gear will set a spark timing code 43 with MIL and (lack of power, after the code sets),every time. The dtc chart has you rap on the engine block and watch the scanner, whick the scanner does indicate knock. The diagnostic aids has you ch...
Summary posted 6/17/2009
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Message Closed w/Summary
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VIN | 1GCDK14K4L |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI |
Affected | PCM |
Conditions | Passing Gear |
Message Closed w/Summary
Vehicle Data
1990 Chevrolet K1500 Cheyenne
VIN | 1GCDK14K4L |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI |
Affected | PCM |
Conditions | Passing Gear |