Rough idle and throttle response - Technical Troubleshooting discussion in Forkliftaction's forums

Toyota 8FGCU25:
Rough idle and throttle response

I have a unit 8fgcu25 17k hours throwing a A06-3 code. I have very very minimal throttle response and a very tough idle. I've been through all opens relays and fuses. I Had to walk away from it to think a little more. Starting to lean towards a clogged evap or stuck throttle body. But would it code if the throttle motor could not function because of fuel restrictions?

Posted 9 Sep 2020 09:28
Discussion started by Ty_Nelson
California, United States

Tynelson@service47

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A dirty vaporizer won't code. Check pot signal from pedal , harness , back to fuse panel. It's a voltage issue. Make sure you check voltages thru fuses not just ohms. The governor, to pedal wiring is what you should check. All loops to ecu. Follow code specs and make sure your Ecuador's signal wire for the pot isn't broken. And all ecu fuses are new.

Posted 10 Sep 2020 22:17
Reply by ron_k
North Dakota, United States

4kliftman

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Rough idle and throttle response

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Toyota 8FGCU25:
Rough idle and throttle response