Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: manual check engine light on 2000 Pontiac Bonneville

How to manually check the codes for check engine light
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
you need a code reader. no other way.

even a reader will not tell you the failure, just the system failure.
let a shop do a real diag for you.

Roy
chrysler can be done by cycling the ket 3 times but does not translate the code into terms we know without a manual. they are the only ones.

Roy
Didn't find what you were looking for?