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2002 Taurus no power on 2002 Ford Taurus

Code read "misfire on #3". Replaced plugs,wires,coils,cam shaft sensor. Will run okay for a few days then back to missing and power lose. Now when going up any kind of grade I lose almost all power and the engine light blinks. Even on flat it is hesitating and missing.

Asked by for the 2002 Ford Taurus
Common for the plastic Intake Manifolds to leak and or crack and cause these types of problems. I would see how your fuel trim is. Do you ever get any P0171-P0174 types of codes which have to do with lean mixture faults?
Hi. I'm having a problem with cod P01151,P01152,. Need help in locating the sensors bank one sensor 2
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Common for the plastic Intake Manifolds to leak and or crack and cause these types of problems. I would see how your fuel trim is. Do you ever get any P0171-P0174 types of codes which have to do with lean mixture faults?
Hi. I'm having a problem with cod P01151,P01152,. Need help in locating the sensors bank one sensor 2