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
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Posted on Jan 02, 2017
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