Kevin Apps | Message modified by user UKAT2589 July 26, 2011, 9:21 pm ps and i have checked and i have fitted 2 ECM to fix this !
From J-TIS P1647 possible causes,
HO2 sensor 2/1 heater failure,
HO2 sensor 2/1 sensing circuit short circuit to ground, short circuit to high voltage, open circuit.
ECM Failure.
Kev.
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Jaguar X Type 2.5 2001 - Code P1647 - Fixed # - Phil Kingdon July 26, 2011, 8:14 pm
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on July 26, 2011, 9:19 pm, in reply to "