View Full Version : 1995 GMC k1500 suburban 5.7 L

02-24-2011, 04:15 AM
The truck hasnt been idleing the best and i dont know what to do i think it might be out of time, i have already done a full tune up. I dont know what else it could be....:confused:

02-24-2011, 05:53 PM
Hello charlito,

Did you adjust the timing during your tune-up? Was the rough idle cause for the tune-up?