I have two Linde 394 series with VW 1.9 engines. The first one is a BJC engine code the second one is newer CBJB engine code. Both trucks have the same problem with intermittent charge pressure control positive deviation. The BJC code is 17965, the CBJB code is P0234. Has anyone found a faulty turbocharger that was causing this code? Please help with any suggestions. work already done: Verified vacuum hose hookups and line integrity, replaced N75 control, swapped map & maf sensors. Looking at the boost pressure on the laptop screen can see short blips of higher than commanded boost pressure.
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