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P1408 Diagnostic Trouble Code Discussion for August 2009

Manifold Absolute Pressure Sensor Signal Performance

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Trouble Ticket Help Requests for DTC P1408
Help Request Posted
1999 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MEFM53S2Z
P1408: . ... on and code p0401 and p1408. Replaced EGR valve and DPFE sensor, cleaned EGR passages, cleared codes. Customer came back last week with MIL on and misfire. Replaced plugs & wires, cleaned intake and EGR passages (again). Customer came back this week wi...
August 05, 2009