2018 Honda Accord Forum banner

Please help! Yellowing rear bumper - PWP 2018 2.0 Touring

6K views 32 replies 10 participants last post by  Dan Villa 
No uv or heat damage would not clay off like that. Polish or compound yes, clay no. Leads me to believe the culprit is som coming out of the exhaust, or something in the system. Maybe the car sat too long. Try maybe a BG valve, fuel system cleaner treatment.
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top