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Home >> Honda >> 2007 >> Odyssey EX >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P0401: Exhaust Gas Recirculation (EGR) Insufficient Flow >> Malfunction Threshold

Malfunction Threshold

The ratio of the current EGR flow to the normal EGR flow is 15 % or less.

The difference between the MAP value before and after the Enable Conditions are met is no more than the values in the table. The change in pressure should occur for at least 3*1, 3.5*2 seconds.

MALFUNCTION THRESHOLD

Engine speed Barometric pressure
52 kPa (15.4 in.Hg, 392 mmHg) 102 kPa (30.0 in.Hg, 760 mmHg)
1,200 rpm 7 kPa (2.1 in.Hg, 55 mmHg) 13 kPa (3.9 in.Hg, 100 mmHg)(1)
13 kPa (4.1 in.Hg, 104 mmHg)(2)
2,100 rpm(1) 3 kPa (0.9 in.Hg, 25 mmHg) 7 kPa (2.3 in.Hg, 59 mmHg)
2,400 rpm(2) 3 kPa (0.9 in.Hg, 23 mmHg) 7 kPa (2.1 in.Hg, 53 mmHg)
(1) J35A6 engine
(2) J35A7 engine