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Mercedes lean mixture - O2 sensor?
Posted to Technical Discussion Forum on 12/23/2002 4 Replies

Have a 96 C220 Merc (not OBDII) seting "lean mixture (rich stop)" code.

Fuel pressure perfect

O2 sensor signal voltage working well at idle and parcial load. With full load the signal will be very low (fixed about 60 mV). Obviously it will set a lean code.... Login to read more.

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