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Toyota 8FGCU25:
running rough

Poor idle, revs up ok, seems to be lacking some power
Will not start unless throttle is 1/2 way down

Tune up performed a few weeks ago
  • Posted 2 Mar 2016 08:41
  • Discussion started by shaun_p
  • Ontario, Canada
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Showing items 1 - 1 of 1 results.
Sounds like the regulator needs an adjustment. At the very top of the LP regulator there's a plug (about 1/4" diameter) which can be removed by drilling just under the side of the plug, then using a small punch the plug can be wiggled out. Once removed there's an adjustment screw for the idle circuit.

I will tell you that once I have to start adjusting the regulator that servicing the regulator is in the not to distant future.
  • Posted 3 Mar 2016 02:07
  • Reply by bbforks
  • Pennsylvania, United States
bbforks (at) Hotmail (dot) com
Customers love technology- until they have to pay to fix it!
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"Remove the coils and ohm out the pins. Coils take a different number than regular 4y plugs... If code is there then it is an ecu issue."
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