You are watching: 2005 chevy impala oxygen sensor location
I"m trying to discover the location of my bank 1 sensor 2, on mine 09 chevy impala ltz (3.9 engine )... And also i can not find it, I have looked almost everywhere google and also having no luck.. Might anyone phone call me where it is? likewise I have heard from human being telling that its a upstream and also i had others telling me that is a downstream sensor, so usually I"m in ~ a loss and confused.
Bank one is the left next of the engine - due to the fact that your engine is a transverse mount, it would certainly be the front next of the engine dealing with the radiator. Sensor two is the downstream sensor (sensor one is the upstream sensor).
Do you know where they space at? and they man at napa said its prior to the cat so thus its upstream?
Do you know where they are at? and also they guy at napa claimed its before the cat so thus its upstream?
I provided to very own a 2008 & 2011 Impala LTZ v the 3.9 engine - however no longer have the cars. I deserve to not look for the sensors any type of longer.
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Bank#1 is the bank that homes #1 cylinder. Sensor#2 is the downstream post-cat o2 sensor. Find the bank#1 catalytic converter. Sensor #2 will be after/behind the cat.
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