Blogs: Exhaust Gas Recirculation

Question : 2005 Kenworth W900L w/ISX400 - inactive codes 411 & 412; active code 27 (egr diff press high) does that make sense? what would be the most likely part to be failing/have failed with these codes?

Diagnosing EGR Valve Car Problems: Auto Repair Advice 101. When replacing an EGR valve, gun the motor a few times to clean out the carbon build up. Carbon build up is very common inside of the EGR valve. ACDelco 214-1080 Egr Valve ...

Hey Gang Has anyone here had problems with the EGR Valve giving out error codes? Iam getting one for my Mazda6 wagon and I've removed the EGR valve and cleaned it out (it wasn't very dirty anyway) and.

my thoughts was that if i shutt of the egr exhaust to the egr cooler that even if the oil cooler plugged up it wouldnt cause the egr cooler to come apart. i just flushed out the coolant a month ago. no other syptoms no coolant loss or ...

The John Deere PowerTech™ 9.0-L IT4 diesel engine for installation in the 744K was certified by the EPA in March 2010 and uses cooled exhaust gas recirculation (EGR) technology to meet emissions regulations while producing the same 304 ...

I have the same problem. 05 sable 99k miles, duratec engine. My EGR system is in good shape. Any help on how to trouble shoot would be appreciated. eric m is offline. Thread Tools. Posting Rules. You may not post new threads ...

I have no coolant filter or EGR cooler and work the motor very hard regularly.I was figuring when I drain it this time(might do it this afternoon)if it has chunkies in it that the coolant is breaking down.I do happen to have a case of ...

Does anyone know what the most common cause of OBD logging Insufficient EGR Flow on a 1998 2.2L VTEC (H-22) 'Lude ? Is it most frequently a carbon-clog.