1 1999gmcenvoy New member Joined Nov 4, 2012 Messages 5 Reaction score 0 Points 0 Location Canada Nov 5, 2012 #1 The engine seems to pulse when accelerating and then proceeds to run smoothly once it reaches the 2nd gear. It also seems to hesitate when changing from 1st to 2nd gear. No idea what is causing this, any ideas?
The engine seems to pulse when accelerating and then proceeds to run smoothly once it reaches the 2nd gear. It also seems to hesitate when changing from 1st to 2nd gear. No idea what is causing this, any ideas?
