How do I get throttle position screw back to proper adjustment
I moved the throttle position screw thinking I could adjust the idle. Ended up needing a distributer cap and rotor button. My truck now does not shift smoothly could that be the cause if so can I adjust this back to proper position using a scan tool that shows throttle position?
I feel you will need to set screw back to original position.
http://easyautodiagnostics.com/gm_tps_test/pickup_van_tps_1.php -- check this out if it's the throttle position sensor you are talking about
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