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Re: 1999 Mazda Protege 1.6L -- P0172 & P0171
Posted to Technical Discussion Forum on 4/25/2009 3 Replies

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You have lean and rich DTCs, no? When I've seen that on any car, it's been caused by 1)intake air leaks or 2) a MAF issue.

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Yeah, the TSB ... Login to read more.

3 Replies Received (View Replies)