When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I have searched on google for an answer and have been unable to find one.
So far I have replaced both Bank sensors, but I am still getting a code p1663.
After searching I noticed this was an electrical only issue.
Can someone give me a quick run down on how I would check if its either the wires or the ECM that is bad?
I have a multimeter, but I am unsure on how to check for bad wiring on either the connector or the ECM?