RECENTLY I CLEANED MY EGR VALVE PCV VALVE AND MY...
1993 GMC Jimmy
February, 27, 2013 AT 3:52 PM
Recently I cleaned my EGR valve, PCV valve, and my idle air intake control valve. Now my transmission wont shift into overdrive but every once in a while. Can this be related to ckeaning those components and if so, any ideas on how to fix it?