SOURCE: Ford 2008 Exedition code P0645. Dealer says I need a PCM
P0645=A/C Clutch Relay Control Circut, This is the code, how it affects your vehicle I do not know, I take it your a/c does not work? Hope this helps.
SOURCE: my 2000 ford windstar was
Hi hope I can help.
This is a very common way that a torque converter fails.
The transmission will need to be removed and a new torque converter installed.
Hope this helps
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thank you urnuts73@fixYa
SOURCE: I have an automatic 1997 Ford ranger problems putting into gear.
as you are shifting you feel the lever snap into gear wich that is where that gear actualy is but you are seeing the indicator on the column is not on the chosen gear that means the indicator on the column needs some adjustment to match the indicator with the lever position
Sigh. The most likely answer is the MAF Boot (Air Mass Sensor) has a crack in it, AND, your motor mounts are worn out. When you put it in gear, there is a significant torquing of the engine, and it tends to try and "move" or twist to get the tired turning, but until you drive that isnt happening so the transmission clutch or torque converter eatst he rotation and allows it to idle. All find and well, HOWEVER, if your motor mounts are bad, then the initial twisting force when it goes into gear causes the engine to move enough that a crack in the MAF sensor will open, causing a massive air leak that tells the computer the wrong amount of intake air, it then sends the wrong amount of gas...engine only runs on right air and fuel. Engine stalls.
When putting in 1st gear, the lower gear coupled with quicker takeoff can sometymes prevent the initial stall and as the engine untorques when it moves back, the crack closes and returns to normal (ish)..
There could also be some electronic answers...but as its very common and easy/cheap to check, Id start there,.
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