C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

low boost pressur

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Old Aug 17, 2024 | 02:36 PM
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w203 646engine 220cdi
Exclamation low boost pressur

hi i have a Mercedes W203 646 engine 220cdi the problem is that it showed check engine light took it the workshop and diagnosed it and the error was low boos pressure. i have change the boost pressure with the original part number and still the same problem i have also checked to see if there are some air leakages but none is found on the horse pipes and inter-cooler i have also tested the EGR its also fine and still low boost. i have also tried different actuators and and different turbo but still the problem is the same

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Old Aug 17, 2024 | 06:22 PM
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From: MBworld
bone stock E55 AMG
moved to W203 forum...
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Old Aug 17, 2024 | 07:45 PM
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Probably get more info from benzworld, since most of the owners here are US based.
And we didn't get an diesel C classes. Bummer.
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Old Aug 17, 2024 | 08:48 PM
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90 VW Corrado g60, 07 New Beetle Vert triple white & 09 Escalade ESV Plat LOL!
Vacuum diagram is your friend. Hopefully you’ll find a rub out or chaffed hose telling a sensor to hold off on boost.

Are you sporting the single or dual turbo?

https://partsouq.com/en/catalog/genuine/diagram?c=MB201810&ssd=$*KwE9CRgWSH9xOEU2WkwUYGVxU VZIOTY7OigHNHx6SUdKQ3dUJisyT08_OD0-PjNnaXw-cH9tZ05yKSB6fmF7ZWQjLGRodGJmPT47OTY9Kyd0KyctNCsqIy xkYHRiZj5dKyQtbWcpbHpwOkYrJC14ailsenUtcwAAAAClvcXX $&number=A6020781181&srsltid=AfmBOooj6lD4jV4J4fbIL SEHiwjjGA2qdc77JhzK_mbODgYIZg46Iowd



Last edited by Petethepug; Aug 17, 2024 at 08:52 PM.
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