Toyota 8FGCU25:
High Idle

Hello, I am working on an 8Fgcu25 serial 19741. Unit has an idle of 1275 according to the multifunction display and clearly is too high. No codes. No broken wires that I can find. I have checked all that I know having worked on these units since they were new. I haven't ran across this issue to this point. Has anyone seen this issue? Drives as it should, the only time it can idle down is unplugging the throttle body. At that point, there is a code and obviously no throttle response.
Thanks
  • Posted 13 May 2020 11:40
  • Discussion started by Hero5
  • South Carolina, United States
Take care of the customer
Showing items 1 - 2 of 2 results.
Check for vacuum leaks I had one with a high idle where the PCV valve was disconnected from the valve cover
  • Posted 3 Sep 2022 08:31
  • Reply by 18436572
  • Georgia, United States
-Karl
Check for any vacuum leaks. I have seen the PCV hose come off the valve cover and cause a high idle. Also you can adjust the idle via the multifunction display however I believe you can only go from 650 to 750
  • Posted 3 Sep 2022 02:46
  • Reply by 18436572
  • Georgia, United States
-Karl

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