How Can a P28 ECU Detect a Bad Cat
09-25-2002, 12:28 PM
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How Can a P28 ECU Detect a Bad Cat
I'm running Kenji's P28 ECU along with a Carsound's problematic 2.5" cat. I ran the stock ITR ECU for a month and I didn't have any issues with the cat. Now that I'm on the P28, how will I know if my cat's gone bad if the P28 doesn't use the secondary O2 sensor?
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