Originally Posted by bmorgan
I would guess something else, as I have never heard of the CPM going bad without throwing a code. I could be wrong here. I am sure someone will correct me on this. The most common code would be PO335.
it won't throw a code right away....so, it could just be starting to let you know....they are cheap...around $35....and if it doesn't fix it, well, you didn't waste your money, because they go bad sooner or later....10 minute fix....