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best way to check coil packs on 2002 ford f150 4.6

Vehicle: 2002 ford f 150 4.6

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P1710 TFT (transmission fluid temperature) sensor malfunction

P1740 TCC (torque convertor clutch circuit)

The best way to check the ignition coil is with a ignition tester, As for the code you have a TFT will result in a firm shift or hard shift,

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