P0401 Diagnostic Trouble Code Discussion for April 2012
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 2002 Acura RL Premium 3.5L Excessive Emissions VIN: JH4KA96542 P0401: EGR System Insufficient Flow Detected. ... has a P0401 and P0330. Pulled the intake and found egr passage completely clogged. I am ready to reinstall the intake but want to change the left knock sensor as the wiring all test good and it is right there under the inta... |
April 02, 2012 | |
| 1999 Dodge Neon High Line 2.0L MIL Lamp on VIN: 1B3ES42C6X P0401: EGR System Malfunction. ... This neon sets the code p0401 for inssufient flow. we have relaced the egr valve. The egr valve is working properly i can apply vacume and kill the engine. The solinoid has vacume and the transducer is getting pulsing prerssure from egr valve. My problem i... |
April 13, 2012 | |
| 2004 Ford F-350 Super Duty XL 6.0L MIL Lamp on VIN: 1FDWF37P64 P0401: Insufficient EGR Flow Detected. Customer states vehicle runs fine, mil light came on a few days ago. I have scanned and cleared the codes, drove to see what came back, and none have. I have driven nearly fifty miles on multiple trips and truck runs fine, with no mil. Any ideas? |
April 21, 2012 |
