View Full Version : 2003 cadillac escalade SES light on

Skip Dogg 1999
12-09-10, 10:19 AM
I have a 2003 cadillac escalade and my SES light came on. I went to advance auto and they ran a check on it and came up with the code p4055,which mean evap emission system control leak (large).I have change my gas cap,but it is still on. Can someone help me out with my issue and I doubt want to spend a hole lot of money guess working.:banghead:

12-09-10, 12:33 PM
How long ago did you replace your gas car and did they reset your check engine light. And if they did how many miles have you driven since you replaced your cap.