Volvo AWD V70-XC70 Forum

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ETS, Check Engine, Limp Mode V70-XC70 1999

Running rich is not the fault of the ETM. Running rich is usually caused by a vacuum leak, and continued driving at slow rpms makes the condition worse which will mess up the front O2 sensor.

Yes, a MAF could cause problems, but then the code will point directly to the MAF. A leaking vacuum line can also make the car computer think that the MAF is giving incorrect readings.

Klaus
--
Two great Volvos, a 1967 220 and a 1998 V70R






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New ETS, Check Engine, Limp Mode [V70-XC70][1999]
posted by  someone claiming to be Josiah  on Sat Aug 21 17:22 CST 2010 >


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