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    3. 98 ford e350 5.4 codes171-174
    98 ford e350 5.4 codes171-174

    98 e350 codes 171-174 lean condition have replaced all o2 sensors, mas air flow sensor, all emission hoses and vacume lines, pcv valve and hose, had it smoke tested, vacume tested and still code returns help please

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    0  Views: 503 Answers: 2 Posted: 13 years ago
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      2 Answers

      You can try here also: http://www.ehow.com/car-problems-and-symptoms/

      13 years ago. Rating: 1
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        Some info for you at this forum


        http://www.ford-trucks.com/forums/668056-ford-5-4-liter-codes-171-and-174-then-401-and-171-a.html

        13 years ago. Rating: 0
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