Quote:
Originally Posted by abently
Why not relocate the 02 Sensor to the header runner that won't be connected to a deactivating cylinder?
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but then if something is amiss with that cylinder during normal operation it tries to make corrections for the entire engine; if that 1 cylinder starts running rich for some reason the ECU will see the entire engine (or bank of cylinders) running rich and will lean out and you risk burning pistons