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OM642 Rail Pressure Up&Down

Old Sep 5, 2025 | 12:28 AM
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Ml350
OM642 Rail Pressure Up&Down

OM642 on Ml350 2013 Rail pressure Was going down to 289 bar then goes up. feels like engine was trying to shut off but it picking up again
Has no delay on starting
attached two xentry actual values reading clips
no codes for any fuel pressure sensors
Any suggestion
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File Type: mov
IMG_8417.MOV (7.20 MB, 12 views)
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Old Sep 5, 2025 | 08:32 AM
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From: New Hampsha
'17 GLS450, '14 GLK250, Grandpa's Roadster
When was the last time the fuel filter was changed?
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Old Sep 5, 2025 | 01:21 PM
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i got the vehicle from a local auction so has no clue. but we installed a new filter and same issue
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