Signs of a failing Fuel pressure Regulator?

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duster1970

duster1970

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Just noticing some issues and thought I would address the board to get some educated advice. As of late I have been noticing my fuel pressure will be at different pressures. Once it was 6psi another time at 7psi. The last race the gauge read 15psi at start up then went down to 9psi. I don't see it pushing fuel down the motor and the oil doesn't smell like gas but the plugs appear darkened. So what are the signs of a faulty fuel regulator?
 
duster1970 said:
Just noticing some issues and thought I would address the board to get some educated advice. As of late I have been noticing my fuel pressure will be at different pressures. Once it was 6psi another time at 7psi. The last race the gauge read 15psi at start up then went down to 9psi. I don't see it pushing fuel down the motor and the oil doesn't smell like gas but the plugs appear darkened. So what are the signs of a faulty fuel regulator?
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By the way it's set at 7psi. That's where it should be.
 
Would start with your gauge as the issue. Most are inaccurate crap. The liquid filled ones will go bonkers as soon as they are hit with engine compartment heat or changing atmosphere/weather conditions.
 
Last edited:
duster1970 said:
Just noticing some issues and thought I would address the board to get some educated advice. As of late I have been noticing my fuel pressure will be at different pressures. Once it was 6psi another time at 7psi. The last race the gauge read 15psi at start up then went down to 9psi. I don't see it pushing fuel down the motor and the oil doesn't smell like gas but the plugs appear darkened. So what are the signs of a faulty fuel regulator?
Click to expand...
this is your answer.
 
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