catalytic converter
#4
If you have a check engine light, that means you have a S5. There's a way to pull the trouble codes from the ECU and see what it's complaining about, but I don't know what that way is (I have a S4, and a different way of pulling trouble codes).
The O2 sensor is before the cat, so there shouldn't be any way to mess up it's reading by what you do behind it.
-=Russ=-
The O2 sensor is before the cat, so there shouldn't be any way to mess up it's reading by what you do behind it.
-=Russ=-
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