2000 Dodge Ram 1500 Q&A

2000 Dodge Ram 1500 Question: The code P0300 is showing on the ram truck, what is causing this?

I had it in the shop 8 months ago, they replaced the head gasket, iginition coils, plugs. The code went away $1700.00 later, but it is now back. I run a good oil and have it changed faithly. -
Answer 1
should be under warranty,so return and have them ck it out. -