Hello, what would happened if I try to cut off the EGR valve on my Volvo xc90 D5 MY2009?
The fault codes would come up and the car probably would not run right.
Testimonial: "Thanks! I know that and I don't want to disconnect the harness, just to put a cup to block the incoming smoke and preventing to go again through the throttle."
SOURCE: brake lights still on..05 volvo xc90
If the switch itself is not faulty you probably have a short somewhere in the wiring harness.That could be hundres of places so I am not sure after that... Sorry
SOURCE: volvo v50 egr valve
Diesel engines 100% have EGR valve. It sometimes gets stuck if the car is driven only short distances.
SOURCE: 2002 Volvo S60 D5 gauges-backlights stopped working
Volvo's are know for bad Dashboards. The circuit board processor on the back of the DIM Cluster goes bad. I had a shop in Richmond, VA fix mine for $275 out of the car. They will fix yours if you send it to them, here is the URL:
http://www.carradio.com/
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