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Re: Failed smog
i wouldn't think so... simply because NOx involves a lean air fuel mixture... air pump adds air to the exhaust to completely burn up any excess fuel... if the air pump wasn't working then you would have rich exhaust...
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'92 RS lt1/t56, lt4 hot cam, 30lb injectors, 54mm throttle body, full exhaust, 4.11 posi, 4 coil ignition, alluminum driveshaft, adj rear suspension, low. springs, electric water pump, custom tune.
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