Quote:
Originally Posted by Dieselfan
Thank you. I think you are right on the money. I found the spring broke on the LP EGR. Replaced the part but still the same issue.
So I bought a pressure converter. I will replace this part and let you know.
Stay tune
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The above broken spring was going to cause codes at some point. Good to fix.
The way to remember which EGR is High/low is to use the connection to the DPF as reference. The HP cooler connects at the high pressure side of the DPF (entrance) and the LP connects at the DPF exit (low pressure side).