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2002 LWB LHD G400 CDI
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149 Posts
Discussion Starter #1
Hi,

for the last few days I hear uneven idle RPM on my 2002 G400.
it only noticeable on idle and the frequency is about 1-2Hz,
its real gentle but if you seat still and quiet you can hear and feel it.
the RPM gauge do not show it.

(about a week ago I changed oil, oil filter and fuel oil, not sure if its related)

Will be happy to have some info,

Thx
 

·
Registered
2001 G400CDI
Joined
·
322 Posts
Hi,

for the last few days I hear uneven idle RPM on my 2002 G400.
it only noticeable on idle and the frequency is about 1-2Hz,
its real gentle but if you seat still and quiet you can hear and feel it.
the RPM gauge do not show it.

(about a week ago I changed oil, oil filter and fuel oil, not sure if its related)

Will be happy to have some info,

Thx
I had the same thing, replaced the rail pressure regulating valve.
 
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