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.
Have you checked the codes to see if it's throwing one?
This. check it and see what is going on or what cylinder is doing it. you could have a power issue to a coil, excessive carbon build up, faulty injector, etc. you need to dig further.