Question about 2002 Jaguar X-Type

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While running, applying more of petrol, RPM is raising but power not increasing means gear is not changing accordingly. What is fault code P1647? TQ

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THE CODE IS SAYING CHECK THE CONSTANT CIRCUIT OF THE LEFT-HAND BANK HO2S FOR OPEN CIRCUIT OR SHORT IN THE SYSTEM. WHICH CAN LEAD TO REPLACING THE PCM IF ALL RESISTANCE TESTS COME BACK GOOD

THIS IS SOMETHING THAT A PROFESSIONAL NEEDS TO TEST THAT HAS EXPERIENCE CHASING SYSTEM SHORTS.

HOPE THIS HELPS

Posted on Nov 13, 2010

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Posted on Jan 02, 2017

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Fairly simple job

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Hi have a jaguae x type with fault code p1647 changed the sensor with the grey plug and light has *** bk on can u please help


Fault Code:- P1647 Indicates a Power-train fault


The fault is generally due to a problem in the Computer & Output Circuit area


Fault Description: ECM HO2 Sensor control malfunction -bank 2 upstream (2/1)

Action of ECM:- ECM Default:- HO2S 2/1 control circuit inhibited


After clearing the DTC, complete the Drive vehicle for 10 minutes
Check for a reoccurrence of fault DTC.


Possible Fault:- 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

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