Question about 2000 Saab 9-3 Viggen
If the EGR is actived by vacum, check the hose (may be craked) clean EGR and around,check solenoid after delete def.cod.
if is electronically actuated ,take out plastic cover clean actuater mecanism and the shaft also.delete def.cods(you can actived the EGR with diagnostic tool to see if is OK)clean air pressure sensor also!
check turbulence sistem if the problem remains!
Posted on Sep 24, 2008
P0400 Exhaust Gas Recirculation Flow Malfunction
Post more information on your vehicle, and the symptons which lead to the fault.
Posted on Sep 16, 2008
Tips for a great answer:
Mar 27, 2016 | Cars & Trucks
Jun 22, 2015 | Nissan Cars & Trucks
May 25, 2014 | Renault Logan Cars & Trucks
Apr 29, 2014 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi
Aug 13, 2010 | 1997 Nissan Pickup
Nov 21, 2009 | 1997 Pontiac Grand Am
671 people viewed this question
Usually answered in minutes!