2006 grand caravan 3.8L, 72,000miles. Has a p0420 code, catalyst efficency below threshold bank 1. Would that be a up stream 02 sensor? I bought it used will the 8yr 80, mile warr still apply to me, I did not buy a extra warr?
have the same problem?
Sunday, December 19th, 2010 AT 3:08 AM