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Old 05-19-2003, 05:09 PM
huangmc
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97 E320 Check Engine Light/OBD Codes

Scanned the codes and got 3 codes: P0170, P0130, and P0170. Don't know why P0170 came up twice. From the research, P0170 is most likely the mass air meter, and the p0130 is the oxygen sensor.

Questions:

I read some where that W210 E310 has two oxygen sensors, how do I tell which one failed?

Anybody know if the 10 year california emission warrenties on autos cover oxygen sensors.

Thanks

Marcus
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