Volvo Owners Club Forum - View Single Post - Engine: D5: - Emissions high

narva · Jan 23rd, 2008, 07:43

Codes were read. Hear is what was stored:

1) ECM-4405 (Flow too high - defective EGR valve)
2) ECM-6805 (Boost pressure control - Faulty flow)

Could EGR valve cause Boost pressure DTC if it is full of soot and oil ?
Or these both sensors need to be replaced ?

Jan 23rd, 2008, 07:43	#3
narva Member Last Online: Mar 28th, 2023 07:50 Join Date: Sep 2007 Location: Tallinn	Codes were read. Hear is what was stored: 1) ECM-4405 (Flow too high - defective EGR valve) 2) ECM-6805 (Boost pressure control - Faulty flow) Could EGR valve cause Boost pressure DTC if it is full of soot and oil ? Or these both sensors need to be replaced ? Last edited by narva; Jan 23rd, 2008 at 07:45.