Code P1646

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02-06-2010, 03:43 PM

onlyshopping

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Code P1646

My 2003 XKR has an error code P1646. This is "Linear 02 Sensor Control Chip Bank 1."

In English, what part do I need to buy and replace?

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02-06-2010, 05:50 PM

test point

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P1646

P1646 is referring to the upstream O2 sensor, bank 1. That's right side. Those things give good service so I would check the wiring connector before replacing.

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