Engine revs high

1995 TOYOTA TERCEL
250,000 MILES • 1.4L • 4 CYL • 2WD • MANUAL
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RATT RAVELIN
  • MEMBER
  • 1 POST
When I start my car the idle is high like it is warming up but it stays high when driving then all of a sudden it will rev really high it will come back down after I keep giving it throttle. Also, it is hard to shift.
Aug 19, 2018 at 11:27 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Hello,

This sounds like the IAC motor has carbon in it and it gets stuck. Here are two guides to help us find the problem and fix it:

https://www.2carpros.com/articles/engine-idles-too-high

and

https://www.2carpros.com/articles/how-to-replace-an-idle-speed-control-motor-iac

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Aug 21, 2018 at 1:21 PM
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