SOURCE: escape will not go above 60mph and will not downshift w/gas pedal
It could very well be a restriction in the exhaust like a stopped up cat converter. I doubt if it is a torque converter,that may make it slow to get to speed but shouldn't effect hwy speeds.
You can check this vehicle for an exhaust restriction very easy by going to the DPFE sensor and measuring exhaust back pressure with a vacuum/pressure gage. It will be either silver or black in color will have 2 rubber hoses hooked to it going down to metal tubes that hook into the exhaust.It will have a 3 wire connector with the color of the wires being BN/WH,BN/LG,OG. Disconnect one of the rubber hoses from the sensor and hook the vacuum/pressure gage into the hose.You should have less than 1 psi at idle,then press accel to wide open throttle and take a reading,it should be no higher than 3-4 psi. Anything more is an exhaust restriction.
SOURCE: The emissions light blinking..2004 Ford Escape
There is a great number of things that can cause this **** as an oxygen sensor. or charcole canister, gas cap,or even your catalatic converter you will have to have the car hooked up to a diagnostic computer to find the problem for sure.
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SOURCE: Engine misfire 2004 ford escape v6 3.0 ltr, need
2004 Ford Escape 3.0 liter V-6 VIN "1"
The next, I "bid" it. Good luck.
SOURCE: 2004 ford escape engine emission
I have found this to be a common problem on 2001-2006 V6 Ford Escapes. In 99% of these cases the problem is the Catalytic Converter. The V6 has three in-total, one per exhaust manifold, and one after the Y connection. This third catalytic converter is the one that always gets clogged. Another clue to it's failure is a loss of power and a increase in fuel consumption. The later 2006-2008 have a redesigned exhaust system. Hope that helps.
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