Walker Products Oxygen Sensor P/N:350-31040
Walker Products 350-34352 right oxygen sensor for the 2009-2011 Audi TTS Quattro 4-cylinder 2.0L and other vehicles reads the oxygen in the exhaust gas to show how efficiently the engine is burning fuel. It is a four-wire, narrow-band direct-fit sensor made for its specific application and fitment position.
A rough-running engine, higher fuel use or a lit malfunction indicator light can mean the sensor is worn, though damage to the wiring harness or the connector can be behind the same signs, so look both over for physical damage before replacing the sensor. This listing is one sensor for the downstream right position, and the 2009-2011 Audi TTS Quattro 4-cylinder 2.0L takes one in that position.
It is a direct-fit oxygen sensor for the 2009-2011 Audi TTS Quattro 4-cylinder 2.0L and for the 2008-2009 Audi TT Quattro V6 3.2L.
Fit and size
Build and materials
Does the Walker Products 350-34352 fit the 2009-2011 Audi TTS Quattro 4-cylinder 2.0L?
Yes. Walker Products 350-34352 is a downstream right oxygen sensor listed for the 2009-2011 Audi TTS Quattro 4-cylinder 2.0L.
Is this Walker Products oxygen sensor a narrow-band type?
Yes. Walker Products 350-34352 is a four-wire, narrow-band direct-fit oxygen sensor.
What thread size does this oxygen sensor have?
This oxygen sensor has an M18 - 1.5 thread. It is the thread size listed for Walker Products 350-34352.
What can a failing downstream oxygen sensor cause?
A failed sensor can make the engine run poorly, raise fuel consumption or turn on the malfunction indicator light. Newer vehicles also store fault codes in the ECU.
What does the coating on this oxygen sensor do?
The coating prevents contamination and erosion of the electrode surfaces by combustion residue and particulates in the exhaust gas. The electrodes have 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.