Even if plugs & coils were changed?

Even if plugs & coils were changed? 2 Answers

even though plugs were changed, still misses/hesitates...suggestions? 2 Answers

even though plugs were changed, still misses/hesitates...suggestions...

Still missing. Changed coils and plugs and reset codes. Why?? 9 Answers

My chech engine light is blinking on my 01 DTS northstar. I had it scanned and said missing on cylinder 6. I replaced the coil pack and changed all the plugs. Still runs rough but power is still ...

I have a 2008 Chevy Silverado 5.3. Truck idles good when in park but when I put it into gear the check engine light comes on. P0307, witch is Cylinder 7 misfiring. Ive changed all the lifters,coils,injectors and solnoids. Plugs and wires as well. Even turned off the AFM to see if that would help. cleaned the pushrods, made sure they worked. valley cover has been cleaned as well 2 Answers

I have a 2008 Chevy Silverado 5.3. Truck idles good when in park but when I put it into gear the check engine light comes on. P0307, witch is Cylinder 7 misfiring. Ive changed all the lifters,coils,in...

Spark plugs and coils 1 Answer

Recently changed spark plugs and coils because of the code I was given from auto zone diagnosis. Fixed the problem for about a month. But just randomly today it feels like they a right back misfiri...