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Recurring P0159,P0139 SLow resp.O2 circut
2004 3.7 5spd Manual 130,000 miles Read me! Bought this jeep a month ago. Had slow response from rear 02 sensors on each side, so I did the following. Plugs (bosch), oil change, cleaned IAC, rust sprayed the ground straps, checked all fluids. Ran some inj. cleaner through. Checked all vacuum...- cat-black
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- Replies: 17
- Forum: KJ General Discussion
