Information on diagnosing and repairing a DTC trouble code P0401 which is insufficient EGR (exhaust gas recirculation) flow.

Jan 21, 2007 · I used a scan tool and got a code for EGR insufficient flow or P0401. I REPLACE THE EGR VALVE AND GASKET (EASY) cleared the code and 40 miles later, the CEL was back.

Nov 20, 2006 · P0401 on 97 Camry 4-cyl by cllewis » Mon Nov 20, 2006 3:45 am Got the P0401 code for the first time a couple months back; disconnected battery to clear code, CEL went out and didn't …

P0401 and P0402 2000 Ford Taurus The check engine light on my 2000 Ford Taurus 24 Valve DOHC V6 came on and after scanning with an OBD2 Scan Tool, I received an P0402 (excessive EGR flow).

Feb 3, 2008 · P0401 on a 2005 Freestar - 4.2L by mstonebu » Sun Feb 03, 2008 3:09 pm I’m one of those do it yourselfers who will scour the internet for information in an attempt to figure out how to do …

May 17, 2017 · O2 Honda Accord 3.0 v6. New EGR and removed intake and cleaned everything thoroughly TWICE. Still getting the P0401. What am I missing?

Nov 11, 2016 · P0401 2001 Chrysler Sebring by ShadeTreeJoe » Fri Nov 11, 2016 6:27 pm Code is still present despite all tests showing an operable EGR system. 1) Solenoid ohms are 35.1; testable …

Mar 28, 2011 · P0401 never ending code by wml52 » Mon Mar 28, 2011 8:44 pm Several months ago my MIL lamp posted a P0401 code “EGR Insufficient Air Flow” The following parts were tested and …

Mar 6, 2009 · Re: 1998 Toyota Camry-P0401 by asecmt » Thu Aug 27, 2009 6:18 pm There are three componets to the egr system on a camry. The egr valve, the vacuum switching valve, and the …

Dec 6, 2008 · p0401 for 2001 Toyota Camry by rha5242 » Sat Dec 06, 2008 6:55 pm My car is a 2001 Camry with about 85K miles. About 4500 miles ago, the engine check light came on and shortly …