Engine/Transmission (1998.5 - 2002) LP fluctuating PSI

[AMeissner]

recently replaced LP and installed FP gauge. It is a manual isolator gauge. At first, i was fluctuating between 12. 5 and 17. 5 psi. Now it seems that each time i crank the truck during the day, i will have a different fuel pressure. I will have 15, then kill the truck, 5 minutes later, crank back up and have 7. then the next time 10, then the next 5. Is this a common sign of LP failure to be? I just put that * thing in a couple months ago. Thanks for any help

 

[Gary - K7GLD]

Humor me, and unplug the power to the LP, then reinsert it - maybe a couple of times, to eliminate a poor power connection as the source of the problem...



Let us know if it helps or not...