Code P0453 Fix Help Needed

[shacky]

Originally Posted by JFP in PA

P0453 is the code for the pressure sensor being above the upper limit, usually because of a short on the B+ wire. The repair tree is to check the wiring running from the pressure sensor at the tank to the DME, repairing any faults.

Thanks. I saw elsewhere that the sensor itself rarely fails. If it’s a real code does it mean excessive pressure?

[JFP in PA]

Originally Posted by shacky

Thanks. I saw elsewhere that the sensor itself rarely fails. If it’s a real code does it mean excessive pressure?

Yes...………...

[shacky]

Originally Posted by JFP in PA

Yes...………...

So could that be as simple as gas cap?

[Starter986]

Originally Posted by shacky

So could that be as simple as gas cap?

Yes. Start with the most obvious and least expensive repair. If that doesn't cover it move onto the next part. Good luck with the code.

[JFP in PA]

Originally Posted by shacky

So could that be as simple as gas cap?

No, the code is specific as noted.