ECM-4400 EGR VALVE fault
 

Hello,
My 2003 S60 2.4D 96kw went into limp mode. Barely climbs to 2k rpm while driving and goes to 3k rpm in neutral.
Scanner tool showed ECM-4400 EGR valve fault. There does not seem to be more codes.
The 11-th fuse under the hood doesn't appear to be blown.
What might be the problem?

egr valve and pipe work may need cleaning out you can read the live data in vida to see if its operating correctly it is entirely possible its completly blocked with sooty deposits/ carbon its a dirty job easy diy there are plenty youtube vids on this job.

I will be disassembling the EGR today. Hopefully cleaning it out will help.

be prepared to get very dirty gloves would be my first choice and lots of paper towels and rags / solvent check with diagnostics i to find out if the stepper motor is working if its not cleaning wont have much effect the valve could be stuck closed or open..:regular_smile: