No Fuel Pressure after driving car.

coair73x said

I haven't been able to get it to drop. It only dropped to zero when out driving it. I let it idle the other day at 1000 rpm for 30 mins and drove it up and down my long driveway and back to my shop and no issues.

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If it's a venting issue, you should hear the pressure release when you open the gas cap...

If venting is fine, then there will be no release of pressure when you open the cap after running it...

Just trying to throw more ideas in the hat...