Originally Posted by
Babyocho
I noticed with my ram 2004 it doesn't have knockers how do I tune for knock I did a couple test and noticed with 87 fuel anything over 10 degrees gave me a dtc for p02311 .I had finished the run checked connection just in case reset dtc same code came back on when wot is approached.so I pulled 5 degrees out of my tables and did the same pulls, And didn't get any dtcs so my question is,is this my trucks way of sayin to step up the octane. And there wasn't any loud enough of knock for me to notice with the ten degrees but I did notice a rough idle a bit even at warm.