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low voltage
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O2 sensor low voltage causing check engine warning
My 2004 VY check engine warning light keeps coming on (usually when backing off on the power). Holden with their Tech2 scanner have diagnosed the cause to be: "right O2 sensor low voltage". My fuel economy has also dropped to 12.1/100 (was 8.6/100 on a similar long distance trip) The same...- kerrin
- Thread
- catalytic converter check engine low voltage o2 sensor
- Replies: 9
- Forum: VY Holden Commodore (2002 - 2004)