P1407 Diagnostic Trouble Code Discussion for September 2008
No EGR Flow Detected
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| Help Request | Posted | |
| 1995 Mercury Cougar XR-7 4.6L MIL Lamp on VIN: 1MELM62W3S P1407: no or low egr flow. ... 1995 Merc Couger with 4.6L. DTC p1407 no egr flow. The egr diaphram holds vacuum and seems to move properly. It seems that intake passage is plugged as there is no rpm change when opening egr with vacuum pump. My questions are is it common for intake passa... |
September 24, 2008 |
