odd o2 sensor question..??
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From: Sycamore IL
odd o2 sensor question..??
i recently put an intermediate pipe from my y-pipe to my new hi flow cat, so in other words i removed one of the two cats in the exhaust stream. obviously i threw p0420.catalyst efficency below threshold.. if i put a spacer between my downstream o2 and the pipe (moved the sensor farther out of the exhaust stream) would it possibly clear the code?
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