Seafoam & O2 Sensor

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Dec 27, 2007
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dallas, tx
Can Seafoam that's injected through the PVC line (not sure if I'm using the correct term)cause an O2 sensor to go bad? If not, what can cause this?
 
PCV - Positive Crankcase Ventilation :)

It says it shouldn't. mainly O2s die cause they get coated or poisoned by something. Contaminated fuel for example.
Taken from http://www.boschautoparts.com/Resources/FAQS/OxygenSensors.htm

What will damage my oxygen sensor?
An oxygen sensor can fail prematurely if it becomes contaminated with phosphorus from excessive oil consumption, silicone from internal coolant leaks, using silicone sealant in the engine, and some over-the-counter fuel additives. Even a small amount of poorly refined gasoline can kill an oxygen sensor. Environmental factors such as road splash, salt, oil, and dirt can also cause a sensor to fail, as can thermal shock, mechanical stress, or mishandling. However as required by vehicle manufacturers, Bosch sensors are designed and tested with these extremes in mind.
 
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