Toyota 7FGCU35:
EPR issue

I have a problem with the Toyota 7FGCU35 forklift engine, from 2007.
It is GM4.3 engine with IMPCO Spectrum III.
The problem is that the engine runs unevenly, it can also go out.
We've probably found what causes the problem, but we don't know how to solve it, namely:
- when disconnecting the plug from the EPR cables, the engine works properly,
- after connecting the plug with cables the motor is waving and do not have power
We changed:
- repair kit for EPR
- HEGO, Pre-Catalyst
- TMAP Sensor

You can see it on video:

thank you for help
  • Posted 14 Apr 2020 04:08
  • Discussion started by Piter_Wez
  • Poland
Showing items 1 - 1 of 1 results.
Have you cleaned the gas throttle? If it doesn't close completely it has the same symptoms.

Good luck with the fix.
  • Posted 14 Apr 2020 06:22
  • Reply by LionKing
  • Franeker, Netherlands
dennisgruis at gmail dot com

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