Check engine light
Thread Starter
Junior Member
Joined: Dec 2011
Posts: 1
Likes: 0
From: Wisconsin
Check engine light
This is really costing me lots of money out of pocket , not to mention I'm diong all the work myself. But here's my ? check engine light code PO 156 and PO 161 both for sensor behind catylic converter replaced both twice , reset engine light but runs ruff , until i shut off engine, restart the engine, light comes back on , runs ruff then decided to disconnect negative battery post, engine lights resets truck runs smooth till i shut it off ..again light comes on and truck runs ruff . replaced EGR cleaned carb with brake cleaner, has something to do with carb components just can't pin point what part. I have a 1997 f150 v8 4.6 liter lariat.
Last edited by reverse osmosis; Dec 15, 2011 at 06:05 PM.
Not Important Enough
Joined: Jul 2011
Posts: 29,451
Likes: 16
From: Warsaw, NC
Welcome to the site. You'll probably get more help in this section https://www.f150forum.com/f6/
Last edited by Scottsred11FX4; Dec 15, 2011 at 06:25 PM.
