Fuel pump 2 relay malfunction 1999 Jaguar XJ8 V8 can you help with fixing P1646 OBDII?

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Carguy1 · Answer 1 · 2018-02-17T15:59:08+0000

Hi there

This code actually points to an issue with the bank 1 upstream O2 sensor. In most cases replacing the sensor will resolve the issue.

P1646 JAGUAR - HO2 Sensor Control Malfunction Bank 1 Upstream

Read more: https://www.autocodes.com/p1646_jaguar.html