My 318iS is popping intermittment check engine light, usually comes on with a steady state throttle or RPM above 3000. Light goes out with throttle lift off. The stomp test tells me its code 1221 "EGO SENSOR". Is this the O2 Sensor? I ask this because code 1222 is supposedly "LAMBDA CONTROL" (I didn't pop this code).
thanks in advance.
Lincoln
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thanks in advance.
Lincoln
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