cabrera
08-07-2009, 10:27 PM
Question:
My 2002 Explorer Sport Trac has 3 O2 Sensors (There are 2 upstream, and 1 downstream after the cat) one to monitor each bank of the engine and one after the cat to monitor catalyst efficiency.
Should I put extenders on just the 2 on the downpipes after the manifolds or all 3?:confused:
My 2002 Explorer Sport Trac has 3 O2 Sensors (There are 2 upstream, and 1 downstream after the cat) one to monitor each bank of the engine and one after the cat to monitor catalyst efficiency.
Should I put extenders on just the 2 on the downpipes after the manifolds or all 3?:confused: