16804/P0420/001056: Difference between revisions
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Revision as of 10:05, 23 April 2006
16804/P0420/001056 - Catalyst System; Bank 1: Efficiency Below Threshold
Possible Causes
- Oxygen Sensor(s) defective
- Oxygen Sensor(s) Control defective
Possible Solutions
- Check Oxygen Sensor(s)
- Check Oxygen Sensor(s) Control
- Perform Oxygen Sensor(s) Aging Check