One thing you can try is up your spark advance at idle rpms. Yours is pretty low. I would think with all that fuel at idle you need more spark. Look at the spark tables on the 2007 lq9 file posted by...
Type: Posts; User: gagliano7
One thing you can try is up your spark advance at idle rpms. Yours is pretty low. I would think with all that fuel at idle you need more spark. Look at the spark tables on the 2007 lq9 file posted by...