Ford Maverick 2.0 Petrol 2003 - Fault code P0401 EGR insufficient flow - Fixed #
Posted by Keith Brown on July 9, 2009, 2:57 pm
Message modified by board administrator July 10, 2009, 1:59 pm
Year of Manufacture *: 2003
Engine Code or Type *: 2000 petrol
( Optional ) Scanner used: launch
Vehcile in with this code,egr insufficient flow!all pipe work attached & clear , no blockadges, egr valve is good.No info on "some data",could do with wiring info for the DPFE sensor!,with a voltmeter on the signal wire iget 2v constant if i introduce vac to egr valve whilst running engine note changes as expected but theres no change in readings from DPFE sensor It would be nice to have correct data at hand before i commit 90quid for a sensor,hope someone can help. 
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Ford Maverick 2.0 Petrol 2003 - Fault code P0401 EGR insufficient flow - Fixed # - Keith Brown July 9, 2009, 2:57 pm