Foretravel Owners' Forum

Foretravel Motorhome Forums => Foretravel Tech Talk => Topic started by: TGordon on January 24, 2021, 12:55:31 pm

Title: ISM fuel pressure
Post by: TGordon on January 24, 2021, 12:55:31 pm
At idle my fuel pressure is 150 psi.
I think 25 psi is better.

The fuel pressure @ 150 is not stable, it fluctuates rapidly, plus or minus a 25 psi swing.

Fuel pump pressure regulator?
Fuel pump check valve?

Any suggestions?

Thx

Tim
Title: Re: ISM fuel pressure
Post by: markb on January 24, 2021, 01:32:08 pm
Cranking   25 psi
1200 RPM   120 psi
2100 RPM   150-180 psi