Originally Posted by tuultyme

My low fuel light flashers after I have taken my ten mile trip to work. And now my CEL is on with the P0455 code. I ordered a new fuel cap from Phill today. He suggested the regeneration valve; $63.00 would be next to check. He said he has sold some of these over the years. As for the Charcoal canister shut-off valve; $150.00 he has not sold any of these for the C230. So where is the regeneration valve and how do you check it?