Originally Posted by dvw
Check out the other sensors on that common 5 volt feed if memory serves me correct the oil pressure sensor shares the feed. If one of the other sensors pulls the 5 volt low it may trigger the fault. Fixed this fault on an early 5.7 by replacing the oil pressure sensor which was shorted.
Doug



Doug is right as on many cars the AC pressure transducer also shares the 5 volt feed. I had an Intrepid once that would not start because that AC press transducer was shorting the 5 volt feed to ground. Ron