When engine warms up it starts to race up and down.
Saturday, January 10th, 2009 AT 6:54 PM
1 Reply
BLUELIGHTNIN6
MECHANIC
16,542 POSTS
Clean the EGR valve (exhaust gas recirculation) to ensure it is free of any carbon build up. After this, test vehicle performance. If symptoms still exists, Suspect a faulty IAC valve (Idle Air Control).