First of all before anyone can help we need to know what vehicle,what year and what engine.Typically multiple misfire indicates that you need a full tune up,spark plugs,wires etc.If you can’t remember ...
My 2006 savana 2500 4.8 started doing that and i replaced the tps on the throttle body i was so excited because it had more power than when it was brand new then one week later wah wah wah wha.. Went ...