No Turbo Boost E320 BlueTec
#27
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Join Date: Jan 2011
Location: McDade, Texas
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W211 e320 CDI
Yes, I’m certain. On my to do list is a 4 Bar map sensor. That total number includes the corrected atmospheric value for 9400 feet so 33 psi was still the absolute pressure in the plenum. The motor is capable of WAY more with a bigger turbo, the transmission is not.
#28
No Turbo Boost E320 BlueTec
Have pulled the pre catalytic converter and catalytic converter. They do not appear to be too clogged, but we are cleaning them anyway. Problem now appears to be intercooler or cracked piping leading to intercooler.
Last edited by montgoma; 11-08-2018 at 06:01 PM. Reason: spelling
#29
final solution............hose from intake to intercooler.......cracked, not holding pressure. full of oil and intercooler has oil in it. cleaned intercooler and replaced hose........boost restored.