Question about 2003 Mazda Mazda6
Had car scanned . scan revealed o2 sensor is bad on bank #1 sensor #2 , but dealership wont tell what is #1 bank on engine . not filmilar with 6 cylinder engines
Some cars have 2 oxygen sensors. Your is one of them. Banks are the location that the PCU computer gives.
Posted on Jan 09, 2009
Its the three cylinders closest to the cabin and farthest from the front. You have to remove the air intake to actually see the spark plug wires. Those cylinders are numbered 1,2,3 from left to right.
Posted on Jan 20, 2009
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Posted on Jan 02, 2017
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