here's good one, but you need to check.

Like HITMANinMI said
Make sure they connected the O2 to the wire harness.
It's happened before that someone had a part changed but they didn't connect it.


1996 2.5LT V6 Contour ATX My Tour+help/info pics E0 rims, Gutted Pre-Cats,CTA Custom Exhaust & Intake, Diablo Chip.