7.3 NO POWER - Ford Powerstroke Diesel Forum
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Old 03-03-2008, 08:33 AM
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7.3 NO POWER

1999 Powerstroke has no power. I was getting a code PO470. I changed the Exaust Back Pressure sensor, and the replaced the tube. Now I am getting code: P0471 Exhaust Back Pressure Sensor Circuit Performance.

It seems that If I disconnect the MAP Sensor, I get excellent performance, but then I get the map sensor code.
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Old 03-19-2008, 10:16 AM
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Where did you buy the tube I cannot find anyone at ford who knows how to order it
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