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system too rich
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  1. E46 General
    01 325i Dinan Throttle body (reprogrammed w/ Stage 3 tuning) Dinan Cold Air w Dinan Filter. P0172 & P0175 System too rich... 1. I have replaced my fuel filter w pressure regulator. 2. Used Lucas Fuel Injector Cleaner 3. Cleaned my MAF Sensor (which is NOT OEM but reading specs correctly)...
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