Some 2013-2014 Ford Taurus vehicles equipped with a 2.0L GTDI (gasoline turbocharged direct injection) engine may exhibit a difficult-to-start, rough running, crank-no-start, lack of power, loss of idle rpm or hesitation concerns, accompanied by DTCs P0106, P0236 or a repeat P0128. These conditions may be caused by a wiring concern in the signal return splice.

1. Using integrated diagnostic system (IDS), check for DTCs.

2. If only P0128 is stored, proceed to Step 3. If not, proceed to Step 4.

3. Is the coolant level full? If no, fill the cooling system using the vacuum cooling system filler procedure. If the level is full, proceed to Step 4.

4. Replace the signal return splice with 0.75mm (18 AWG) wire using the crimp method. Backfill the crimp with solder before sealing the repair with heat shrink tubing. Terminal kit P/N 3U2Z-14A088-BA is available.

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