The sub. came back from a chevy dealer now closed up.they installed a new throttle assamble.On the way home it started to run very poorly would not rev up .Engin pings has no power &shiff erratica.It idles &rev up in park but it run like it out of time.pulled the codes-po068-po101-po102&po455.I R&R the MAF sensor.The timing go from19 to 50 degrees back & forth?
Sep 16, 2009 at 2:05 AM
