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HI,
I have 2 '05 V-6 Mustangs, both with 20k on them. I'm getting check engine lights on both. The one I had scanned. It was for both O2 sensors bad. I haven't had the other one scanned yet. The cars are basically stock, with the exception of AEM brute force air intakes on each. I did replace the AEM filters, with AMSOIL powersports filters. Other than having both cars with all AMSOIL products in them (crancase, tranny, and diff), there are no other aftermarket products installed. I looked up the one on Ford.com for recalls, and it shows none. I know the gas filler problem wasn't a recall, but a TSB. Does anyone know if there are any TSB's on O2 sensors? Any idea why I'm getting these codes? With the MAP sensor 'downstream' of the air filter, there would be no reason for the air filters to be the cause, right? I was thinking that maybe the car was getting 'too much' air? Can that happen? Any ideas will be appreciated. Thanks, John
