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will do buddy thank you for the quick reply. so if the ops is not working then the lift pump isn't activated when I start the engine right? so by jumping the LP I am bypassing the ops. even by jumping the LP I still need to pump gas petal to keep it going. does the ops run the LP even after It's...

:smile5:how does it work? and how can I get one?

The LP is good and so is the OPS I belive. tstill won't start if left for 10 minutes I think it has somthing to do with the fuel lines. is there a check valve in the line that stops the fuel from going back into the tank when the engine goes off? in order to start it I jump the LP to prime the...

Thank you for all the info I do intend to move my PMD or FSD just not sure where to put it. I will try and detirmine if it's the OPSU and I am really hoping it is. The truck is at the shop so I can only tinker with it while there. anyway if air is getting in the fuel then it's doing the right...

bump >.>

1995 TD silverado 4x4 not 1997

Problem: Explain your problem in concise language (ie: Cranks but won’t fire). _Starts then quickly dies. If I rev the engine and drive fast it will stay on however if I leave it sitting for a bit and crank it it will studder and turn off unless I pump the gas petal and...