OBD code P1744 on 1997 ford Taurus?

DTC P1744 is "TCC - Excessive Slip Detected During Full TCC Engagement". Which means that the Torque Converter Clutch (TCC) is disengaged or the EPC pressure is at the minimum.

The most likely cause is a sticking or bad TCC solenoid inside the transmission. You can check the connector at the transmission to make sure it is clean and tight and that it is not damaged in any way. You will notice engine miss in this cases,That "miss" you feel will be due to the TCC disengaging.

If the TCC and wiring is okay, then pressure testing of the transmission will need to be done.

This is a transmission fault code, more specifically a torque convertor fault code. The torque convertor has an internal clutch that locks up at highway speeds when commanded on by the computer, the computer monitors the rpms when it commands the TCC (torque convertor clutch) on, if the rpm's don't drop a specific amount, the computer will set a code.

 This means the TCC is slipping and the torque convertor will need to be replaced. 

The part cost is approx $250.00-$300.00 and it is about 7 1/2 hours of labor to replace the torque convertor, so depending on the hourly labor rate of the shop you go to, it would run around $925.00. You might want to see if you can get a used transmission with considerably less miles than you have, alot of used auto parts yards offer a warranty with their used parts.

This details will help.

Thanks,

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