Walker Products Oxygen Sensor P/N:350-31040
Walker Products 350-34088 oxygen sensor for the 2002-2004 Honda CR-V 4-cylinder 2.4L and other vehicles measures the oxygen content of the exhaust gas. The engine computer uses that reading to track the air-fuel ratio and combustion efficiency.
A rough-running engine, higher fuel use, more exhaust emissions or a lit malfunction indicator light can mean the sensor is worn, though a damaged wiring harness or connector can be behind the same signs, so look both over for physical damage first.
This oxygen sensor fits the 2002-2004 Honda CR-V 4-cylinder 2.4L and the 2001-2006 Honda Insight 3-cylinder 1.0L.
Fit and size
Build and materials
One oxygen sensor. The 2002-2004 Honda CR-V 4-cylinder 2.4L and the 2001-2006 Honda Insight 3-cylinder 1.0L each take one.
Is this a downstream Honda CR-V oxygen sensor replacement for the 2002-2004 4-cylinder 2.4L?
Yes. Walker Products 350-34088 is a downstream oxygen sensor and fits the 2002-2004 Honda CR-V 4-cylinder 2.4L.
Does this Walker Products oxygen sensor fit the 2001-2006 Honda Insight 3-cylinder 1.0L?
Yes. Walker Products 350-34088 fits the 2001-2006 Honda Insight 3-cylinder 1.0L, and that car takes one sensor.
Is the 350-34088 a narrow-band or wideband oxygen sensor?
Narrow-band. This is a 4-W direct-fit narrow-band oxygen sensor with an M18 - 1.5 thread.
How can I tell if my downstream oxygen sensor is going bad?
The engine may run poorly, fuel use and exhaust emissions may rise, or the malfunction indicator light may come on. A shop can read the stored fault codes to see whether they relate to this sensor.
What does the coating on this oxygen sensor do?
The coating shields the electrode surfaces from erosion and contamination by combustion residue and particulates in the exhaust. The electrodes carry a gas-permeable platinum layer.
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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.