06 CM870 450 ISX egr tuneup
09-17-2019, (Subject: 06 CM870 450 ISX egr tuneup ) 
Post: #11
RE: 06 CM870 450 ISX egr tuneup
Ya, that's the older high mount control valve. If you take your engine serial off the valve cover and register it for free @ https://quickserve.cummins.com/info/index.html
You can read all about that particular system and how it operates and how to check proper operation.

What year engine do you have?
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 Thanks given by: DDlighttruck


Messages In This Thread
RE: 06 CM870 450 ISX egr tuneup - Chamberpains - 09-17-2019
RE: 06 CM870 450 ISX egr tuneup - Unilevers - 09-30-2019,



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