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My 2006 lincon ls 3.9l need new power steering rack bushings. Several of the local parts houses are telling me they show nothing for that appcation. Any ideas as to where I can find them? thanks jon

I understand that my question is which sensor the pcm is using. the sensor on the oil cooler or the cylinder head temp sensor. I guess I will unplug the sensors while running and see if the ect temp changes or if the pcm is using an Inferred value.

thank you joe, at this point what's an extra 60.00 for a t-stat and housing.

the aftermarket t stat and housing doesn't allow enough flow? is that what you are saying? the reason I'm hung up on the ECT temp is if the scanner is using cyc head temperature in place of a real ECT reading. then the 230 make sense. I see it all the time on the v 10 cng Van's at work. they...

do you think the scanner is using the cyc head temperature in place of the ECT? some of the hoses from rockauto are ford hoses

yes napa and rockauto parts. For the rockauto parts I did go with the best plastic parts they had. I have tryed 2 t-stat with housings one from rockauto one from Napa auto parts. FYI no parts are dorman.

return temperature from lower radiator hose in the 125 to 130f range.

new parts in the last 2 weeks water pump radiator all plastic parts replaced with t-stat all hoses new except the hoses that go into the heater core. de gass bottle

oops 2005 Lincoln ls 3.9l

When I use a cheap scanner I get coolant temps of 213f to 218f driving freeway speeds. stop and go traffic the temperature goes up to 230f. at approximately 228f there is a noticeable increase in fan speed. thinking that the car is over heating I pulled out my temperature gun and started taking...