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P0401 Diagnostic Trouble Code Discussion for May 2012

Insufficient EGR Flow Detected


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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
2003 Ford F-150 King Ranch 5.4L MIL Lamp on VIN: 1FTRW07L83
P0401: Insufficient EGR Flow Detected (ESM System). Came in for a mil light on. Code P0401 stored. Had no KOER codes. I have made sure everything is clean in the way of passages. Tried a factory DPFE and apply sol. It has 20 inches of vac. at sol. but will only apply 2 inches of vacume to egr valve during KOE...
May 03, 2012
2001 Chrysler Sebring LXi 3.0L MIL Lamp on VIN: 4C3AG52H21
P0401: EGR System Malfunction. ... engine light on code P0401 and we checked all valves and replace all components. Freeze frame data rpm 1445, ect 205*,mph 52, short term fuel trim bank 1 0.0% long term 0.8%, short term fuel trim bank 2 0.0% long term 2.3% and calculated load value 11.8%.A...
May 21, 2012
2002 Mitsubishi Eclipse GT 3.0L MIL Lamp on VIN: 4A3AC54H12
P0401: Insufficient EGR Flow Detected. ... got a Eclipse that has be pulling what is left of my hair out. The P0401 code sets. The egr valve works properly as well as the egr solenoid. On top of the throttle body, there is two vacum ports. One for full vacume and one for ported vacume to egr soleno...
May 24, 2012
2001 Chrysler Sebring LXi 3.0L MIL Lamp on VIN: 4C3AG52H21
P0401: EGR System Malfunction. ... engine light on code P0401 and we checked all valves and replace all components. Freeze frame data rpm 1445, ect 205*,mph 52, short term fuel trim bank 1 0.0% long term 0.8%, short term fuel trim bank 2 0.0% long term 2.3% and calculated load value 11.8%.A...
May 30, 2012
2003 Ford F-150 King Ranch 5.4L MIL Lamp on VIN: 1FTRW07L83
P0401: Insufficient EGR Flow Detected (ESM System). Came in for a mil light on. Code P0401 stored. Had no KOER codes. I have made sure everything is clean in the way of passages. Tried a factory DPFE and apply sol. It has 20 inches of vac. at sol. but will only apply 2 inches of vacume to egr valve during KOE...
May 03, 2012
2001 Chrysler Sebring LXi 3.0L MIL Lamp on VIN: 4C3AG52H21
P0401: EGR System Malfunction. ... engine light on code P0401 and we checked all valves and replace all components. Freeze frame data rpm 1445, ect 205*,mph 52, short term fuel trim bank 1 0.0% long term 0.8%, short term fuel trim bank 2 0.0% long term 2.3% and calculated load value 11.8%.A...
May 21, 2012
2002 Mitsubishi Eclipse GT 3.0L MIL Lamp on VIN: 4A3AC54H12
P0401: Insufficient EGR Flow Detected. ... got a Eclipse that has be pulling what is left of my hair out. The P0401 code sets. The egr valve works properly as well as the egr solenoid. On top of the throttle body, there is two vacum ports. One for full vacume and one for ported vacume to egr soleno...
May 24, 2012
2001 Chrysler Sebring LXi 3.0L MIL Lamp on VIN: 4C3AG52H21
P0401: EGR System Malfunction. ... engine light on code P0401 and we checked all valves and replace all components. Freeze frame data rpm 1445, ect 205*,mph 52, short term fuel trim bank 1 0.0% long term 0.8%, short term fuel trim bank 2 0.0% long term 2.3% and calculated load value 11.8%.A...
May 30, 2012