Having problems with your 1999 Chevrolet K1500 ?
1995 chevy p/u with 4.3 engine 1500 series.
\015 1995 chevy cheyenne p/u with 4.3 engine 1500 series. Trouble code 12. Won't idle\015
Code 12 is always present in gm motor products. it simply means no tach signal because engine is not running. i would go with the simple first and clean the throttle body real good . that takes care of 99% of idle problems.
Repair Help & Product Troubleshooting for 1999 Chevrolet K1500
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