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Re: Chicken or the egg? P0134 and P0171
Posted to Technical Theory Forum on 3/18/2006 6 Replies

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Hi, Danny

I had a '98 Explorer that got a load of Pemex gas in Mexico come in years ago with P0171/174 codes. The front O2s were coated with rusty red stuff. Out of desperation, I changed the O2s an... Login to read more.

6 Replies Received (View Replies)