This car has a miss above idle, and has very little to no power. I scanned the 2009 R320 with my Icarsoft MB II, and found no codes in any of the systems (SCR and engine). It was running fine a couple months ago with a CEL from a bad DEF pump. I replaced the pump, and it has not ran right since. The pump seems to work, as the fault code did not come back (or any other fault code for that matter). The engine is an OM642 just like those in the E class, Sprinter, and others. Any ideas?

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All Diesel Fleet
1985 R107 300SLD TURBODIESEL
2005 E320 CDI (daily)

LOTS of parts for sale!


EGR block kit
http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html

1985 CA emissions 617 owners- You Need This!
Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst.

Sanden Instalation Guide (post 11):
http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html