Install oil catch can magnum
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Why, An Oxygen Sensor May Go Bad Bad (O2) Sensor Technically these are all “Oxygen Sensor” but it is important to distinguish the difference between pre-converter & post converter sensors, so I find it easiest to stick to, calling the back ones monitors.
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You never want to replace a monitor for a rich/lean concern as they have no bearing on these codes.Īs the converters begin to fail, you will see the monitors voltage readings, follow the (O2) sensor readings. The computer compares the readings from, the (O2) sensor (pre cats) and the monitors (post cat) to determine if the catalytic converters are doing their job and “cleaning” the exhaust. The readings from these sensors, should be much more stable and not fluctuating like the front (O2) sensors. The only job of these sensors is to, “monitor” the efficiency of the catalytic converters. Though these may appear identical to the (O2) Sensor pre-converter they perform an entirely different task and are known as Monitors. The other codes we should address, are those related to the sensors located after the catalytic converter. Exhaust leaks, before the sensor will cause erratic readings.You may actually be getting more air than the (MAF) tells the computer. Faulty readings from other sensors, such as a Mass Air Flow Sensor.