P1408 Diagnostic Trouble Code Discussion for May 2004
Manifold Absolute Pressure Sensor Signal Performance
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| Help Request | Posted | |
| 1997 Ford F-150 Lariat 4.6L MIL Lamp on VIN: 1FTDX1862V P1408: koeo egr low floe detected. ... p1401, egr low flow and KOEO code p1408 egr low flow detected.Vacuum source to egr is ok. Wiring and reference voltage to DPFE sensor is good. DPFE sensor checks ok and voltage changes when vacuum is applied to reference ... |
May 19, 2004 |
