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All of the sudden my truck has started idling higher than normal at a stop or when parked. Sometimes it will drop to about 750 rpm which is what is was normally at, but more and more it is staying at 1,000 + rpm. Also a couple times when coming off of a stop it jumped forward a tad. My fuel economy has gone down a little bit.
I am thinking my Idle Air Control or throttle position sensor...
put an OBD1 code reader on it and see what it tells you. They can be had for about 20 bucks and will save you many headaches and you will be much less likely to be throwing parts at it. https://www.obdadvisor.com/innova-31...1-code-reader/