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.
Need some advice Ihave a 03 AudiA-4 1.8T check engine light on & car runs veryrough at idle.I retrieved these trouble codes p0300,0302,0303,0301 & p0171. Any Info on what might be the problem? Thanks