M Mark New member Joined May 4, 2009 Messages 16 Reaction score 0 Points 0 Apr 12, 2010 #1 I have a 1982 GMC sierra classic. Just today it started running funny. Its running a lot harder and mildly jerks when stoped. Also when its idling it doesn't run at a constant rate. Its this a problem?
I have a 1982 GMC sierra classic. Just today it started running funny. Its running a lot harder and mildly jerks when stoped. Also when its idling it doesn't run at a constant rate. Its this a problem?
J jeepsarecool New member Joined Nov 27, 2008 Messages 3 Reaction score 0 Points 0 Apr 12, 2010 #2 Yes the warp coils are out of alignment.
