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P0401 Diagnostic Trouble Code Discussion for August 2013

Insufficient EGR Flow Detected


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Trouble Ticket Help Requests for DTC P0401
Help Request Posted
2003 Mitsubishi Diamante LS 3.5L MIL Lamp on VIN: 6MMAP67P43
P0401: Insufficient EGR Flow Detected. ... Diamante I would like to blow up, not really but it needs to be FIXED! Problem was when the first time it came in, check engine light was on. P0401 insufficient egr flow. I tested the system found a bad EGR solenoid, was not clicking when commanding it on ...
August 04, 2013
1996 Honda Odyssey LX 2.2L MIL Lamp on VIN: JHMRA1866T
P0401: EGR System Insufficient Flow Detected. Hey, I have this Odyssey That keeps throwing this egr code! I know the system is completely clean. I'm thinking I have a control problem. Vacuum going to vacuum control valve is 20hg., coming out to the egr solenoid is 6 in hg., going to egr valve when solenoi...
August 05, 2013
2006 Kia Amanti 3.5L Excessive Emissions, Hesitation, Misfire, MIL Lamp on VIN: KNALD12426
P0401: EGR System - Insufficient Flow Detected. I need to find out if there is any one has knowledge of this egr system on this vehicle.I sent this customer to KIA I guess here in Raleigh they employ parts changers at the dealer after all the egr system was replaced the engine runs with misfire egr hooked u...
August 06, 2013
2006 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTSW21P06
P0401: Insufficient EGR Flow Detected. 6.0 starts fine cold, when hot is hard to start if it sits more than a few minutes. ICP pressure stays at about 250 psi for 10-20 seconds, gradually starts building and engine starts at about 500 psi. Classic symptoms of a high pressure oil leak. This is the f...
August 09, 2013
2005 Chevrolet Silverado 2500 HD 6.6L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: 1GCHK232X5
P0401: EGR Flow Insufficient Detected. Thank you to everyone who tries to help me here. I have this Duramax that is a real pain. I can find many cases of this same issue on the forums all over the internet but none of them have the solution. This truck is a dog off the line while warming up. Once i...
August 15, 2013
1996 Honda Odyssey LX 2.2L MIL Lamp on VIN: JHMRA1866T
P0401: EGR System Insufficient Flow Detected. Hey, I have this Odyssey That keeps throwing this egr code! I know the system is completely clean. I'm thinking I have a control problem. Vacuum going to vacuum control valve is 20hg., coming out to the egr solenoid is 6 in hg., going to egr valve when solenoi...
August 17, 2013
2003 Mitsubishi Diamante LS 3.5L MIL Lamp on VIN: 6MMAP67P43
P0401: Insufficient EGR Flow Detected. ... Diamante I would like to blow up, not really but it needs to be FIXED! Problem was when the first time it came in, check engine light was on. P0401 insufficient egr flow. I tested the system found a bad EGR solenoid, was not clicking when commanding it on ...
August 04, 2013
1996 Honda Odyssey LX 2.2L MIL Lamp on VIN: JHMRA1866T
P0401: EGR System Insufficient Flow Detected. Hey, I have this Odyssey That keeps throwing this egr code! I know the system is completely clean. I'm thinking I have a control problem. Vacuum going to vacuum control valve is 20hg., coming out to the egr solenoid is 6 in hg., going to egr valve when solenoi...
August 05, 2013
2006 Kia Amanti 3.5L Excessive Emissions, Hesitation, Misfire, MIL Lamp on VIN: KNALD12426
P0401: EGR System - Insufficient Flow Detected. I need to find out if there is any one has knowledge of this egr system on this vehicle.I sent this customer to KIA I guess here in Raleigh they employ parts changers at the dealer after all the egr system was replaced the engine runs with misfire egr hooked u...
August 06, 2013
2006 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTSW21P06
P0401: Insufficient EGR Flow Detected. 6.0 starts fine cold, when hot is hard to start if it sits more than a few minutes. ICP pressure stays at about 250 psi for 10-20 seconds, gradually starts building and engine starts at about 500 psi. Classic symptoms of a high pressure oil leak. This is the f...
August 09, 2013
2005 Chevrolet Silverado 2500 HD 6.6L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: 1GCHK232X5
P0401: EGR Flow Insufficient Detected. Thank you to everyone who tries to help me here. I have this Duramax that is a real pain. I can find many cases of this same issue on the forums all over the internet but none of them have the solution. This truck is a dog off the line while warming up. Once i...
August 15, 2013
1996 Honda Odyssey LX 2.2L MIL Lamp on VIN: JHMRA1866T
P0401: EGR System Insufficient Flow Detected. Hey, I have this Odyssey That keeps throwing this egr code! I know the system is completely clean. I'm thinking I have a control problem. Vacuum going to vacuum control valve is 20hg., coming out to the egr solenoid is 6 in hg., going to egr valve when solenoi...
August 17, 2013