1999 S80 T6. Car was running great and then suddenly acted like it dropped a cylinder. Very rough running, check engine light on with "Emissions Service Required" displayed.
I suspect a bad coil (it eats these like candy) or a spark plug....any other ideas before I have it towed?
Thanks!
suddenly, it starts running really rough...
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Yehuda
- Posts: 17
- Joined: 25 Apr 2011, 15:48
- Year and Model: S60 non-turbo, 2001
- Location: Israel
- Been thanked: 3 times
might be O2 (lambda) Oxygen Sensor failed, on my S60 it has 2, a front and rear, front was bad.
Symptom was revs suddenly went down or up, most of the time revs were higher then normal & it's related to Emission test fail
Symptom was revs suddenly went down or up, most of the time revs were higher then normal & it's related to Emission test fail
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