When its starts cold latley it dosent idle up. It idles down almost dies then idles fine . Has died a few times after idling down the first time but not for a while. Idle air controll valve ? Mass airflow sensor ? Its a 2003 chevy express 3500 6.0
What makes this problem better or worse?
Not sure
How long has your 2003 Chevrolet Express 3500 had this problem?
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