Almost everytime I start my car the Rpm needle moves up and down quickly and it sounds like I am giving it gas when I am not. What would cause this.
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2006 GMC Envoy
Question: Why does my Rpm needle move up and down when starting sometimes?
Answer #1Greg's Orange Auto (8341 Answers) , Orange, CA - (714) 361-9355globalhelper November 13, 2012, 12:51Master
poss throttle body issues do youhave a ck eng light on? if so scan codes and post so we can adv
Replymichelle1108, November 14, 2012, 08:21Rookie
No the check engine light isn't on.
Replyglobalhelper, November 14, 2012, 08:33Master
THAT DOESN'T MEAN ANYTHING HAVE THE LIVE DATA READ