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O2 Sensors replaced, but the codes came back

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Old Jul 23, 2017 | 03:56 PM
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belawidi's Avatar
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Default O2 Sensors replaced, but the codes came back

Jaguar lovers,
I have a 2004 VDP. I've got the code P0037, P0057, P1646, P1647. I replaced the all 4 O2 sensors, but after a day of driving, all the codes came back.
Please guide me to the root cause.
Thanks,
belawidi
 
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Old Jul 23, 2017 | 07:03 PM
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Codes never say to replace parts, they merely tell you where to begin diagnosis. Could be a wiring or connector issue, etc. Did you use OEM sensors?
 
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Old Jul 23, 2017 | 07:14 PM
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The 'probable cause" for both p0037 p0057 is wiring fault to earth
 
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