Toyota 8FGU18:
Propane issues, hard to start when cold.

So a little back story. Lift was hunting at idle. At that point the seal was removed from the mixture screw adjustment. Adjustment was made. Seemed to solve issue. After a few months they have called again now machine is hard to start when cold. Once they get it to start it runs great and will start all day.

I went out there and cleaned the filter on the inlet of the regulator. Got the machine running and drained the regulator. Told them to call me if it does not start tomorrow. Started for severeal days. Then is now back to no start when cold.

I've talked to a dealer and he mentioned it sounded like the propane system needed to be " calibrated and relearned" The dash display does not have to soft touch buttons to go onto onboard diag. I'm not opposed to buying the handheld scanner. Customer is opposed to calling the dealer out. They'd rather me fix it. Looking for someone that can shed some light onto this calibration/ relearn process. TIA!
  • Posted 16 Dec 2022 08:49
  • Discussion started by Hardline
  • Texas, United States
Showing items 1 - 2 of 2 results.
once in awhile it is just the battery ?
  • Posted 23 Dec 2022 01:22
  • Reply by stillworkin
  • New York, United States
My guess is that the regulator is full of oil from the propane and when cold it turns to a tar just replace the complete regulator. When you drain it you can't get the tar out were the seats are in the regulator.hope this helps.
  • Posted 19 Dec 2022 06:59
  • Reply by Scott_
  • Pennsylvania, United States

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