Walker Products Oxygen Sensor P/N:250-24947
Walker Products 250-54106 oxygen sensor for the 1997-1999 Toyota Camry 4-cylinder 2.2L and other vehicles measures the oxygen content of the exhaust gas. It is an upstream sensor that reports the air-fuel ratio so combustion efficiency can be monitored.
A failing sensor can show up as rough running, higher fuel consumption, more exhaust emissions or a lit malfunction indicator light. Spark plugs, a vacuum leak or damaged wiring can be behind those signs too, so find the cause before buying a sensor. Looking over the sensor, harness and connector for physical damage is part of that.
It fits the 1997-1999 Toyota Camry 4-cylinder 2.2L, which takes one, and is the oxygen sensor for the 1999 Toyota Solara 4-cylinder 2.2L as well. This listing is a single upstream sensor.
Fit and size
Build and materials
Is this an oxygen sensor for the 1997-1999 Toyota Camry 4-cylinder 2.2L?
Yes. Walker Products 250-54106 is an upstream oxygen sensor for the 1997-1999 Toyota Camry 4-cylinder 2.2L, and that engine takes one.
Is the Walker Products 250-54106 an upstream or downstream oxygen sensor?
Walker Products 250-54106 is an upstream oxygen sensor. This listing is one sensor.
What coating does this oxygen sensor have on its electrodes?
The electrodes carry a gas-permeable platinum layer. That layer helps protect the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust.
What problems can a failing oxygen sensor cause?
A failed sensor can lead to rough running, higher fuel consumption, more exhaust emissions or a malfunction indicator light. A shop can test the sensor and its wiring.
How does this oxygen sensor relate to fuel economy?
It measures oxygen levels in the exhaust so the air-fuel mixture can be fine-tuned, which supports fuel economy. The same reading lets the ECU keep track of combustion efficiency.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.