Engine Performance problem
2003 Chevy Silverado V8 Two Wheel Drive Automatic
I have a 2003 Silverado 1500 5.3l Auto 98k I have had a low idle around 500 sometimes stumbling around 350-400. When I come to a stop the engine sometimes stalls and when I make a turn at an idle it will stall. I go the SES codes which are P0120, P0220, P0446, P0156, P1516, P1518, P2135. The SES light came on a couple days ago but the low idle has been happening before then. The low idle did get worse once the SES light came on. No recent work done. Truck has K&N cold air intake and flowmaster cat back exhaust. What should my first course of action be to fix this problem?
have the same problem?
Saturday, June 6th, 2009 AT 7:12 PM