Q: Check engine light comes on and motor runs rough. Code reader says knock sensor on 2000 Toyota Tacoma

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Tends to happen more when colder and also after running on interstate at 70 mph after 25-50 miles. There is valve train noise especially when cold, but also when hot during acceleration. 151K miles and valves never adjusted. Sometimes turning off and restarting will correct the rough engine but the check engine light will stay on.
(1) Answer
knock sensor will not cause this. let a shop perform a diag and tell you the failure. it may be a vacuum leak or a miss fire.

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