Close

Q: How to diagnos on 2003 Buick Rendezvous

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
P0453 code. No start but cranks. how do I checkfaulty fuel tank pressure sensor, open harness,or sure did or poor electrical connection. Brand new battery from AAA
(1) Answer
With an actual scanner , NOT a code reader. AND wiring diagram , multi-meter and patience. Go to the left side of repairpal page where it says 'encyclopedia' click on exhaust and emissions ......read it ALL , before proceeding. It actually looks helpful and may be worth your while!