Close
Car Questions
RepairPal is your advocate for car care advice and guidance

Why is my check engine light on?

(2008 Pontiac G6)
in Houston, TX on July 11, 2014
code p4020, dealership says its one of the catalytic converters, how do I know which one it is. And what is the cost for repair? It just crossed 100,000 K miles, is it worth repairing?
Displaying 1 answers & 0 comments
Popular Answer
on July 11, 2014
Did you PAY for the diagnosis? IF so the dealer should tell you.
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more
Didn't find what you were looking for?