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2005 Ford Freestar Question: It's easy to change the egr valve,how it looks, what tools do I need? Code p0401



dimasp, Miami, FL, June 06, 2013, 08:55

The comp gave me code p0401, it reads insufficient flow detected can the valve be clean or is better change it ?

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    Miles Auto Services (884 Answers) , Richmond, VA - (804) 885-4176
    milesauto June 06, 2013, 09:03

    The code refers to EGR system fault....very unlikely that the EGR valve is at fault. More likely to be DPFE sensor, EGR system module, or restricted EGR ports. Need to do pinpoit testing to determine the cause.

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  • Answer #2

    Greg's Orange Auto (15188 Answers) , Orange, CA - (714) 361-9386
    globalhelper June 06, 2013, 09:07

    try www.alldatadiy.com

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