Trouble starting when car is hot
Thread Starter
Teching In
Joined: Feb 2022
Posts: 3
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From: Texas
Trouble starting when car is hot I know there is an issue either with the fuel pressure check valve or regulator I have put a fuel pressure gauge on the rail when the car is off and it has 0 pressure when the car is cold it has no issue starting up but when warm it has to turn over for 2-5 seconds to start I would appreciate it is there is a diagram to find the fuel pressure check valve or is it the regulator in the pump thanks in advance.
edit: I believe the check valve is built in the pump correct me if I'm wrong
edit: I believe the check valve is built in the pump correct me if I'm wrong
Last edited by Camarocatfish; Oct 5, 2022 at 10:18 PM.
What is this on? F body, Truck, swap, what year?
I believe there is a checkball in the pump itself to keep the fuel pressure in the lines when key is off, but the regulator is up on the fuel rail. There's a couple different ones depending on year / model
I believe there is a checkball in the pump itself to keep the fuel pressure in the lines when key is off, but the regulator is up on the fuel rail. There's a couple different ones depending on year / model
