M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

2008 ML320 drivability issue

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Old Jan 26, 2024 | 07:00 PM
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From: virginia
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Angry 2008 ML320 drivability issue

I am having a drivability issue with my CDI ML320. I have no helpful codes. I replaced the in-tank fuel pump but it did not improve the issue.

Engine starts and runs very smoothly. After taking off, pressing on the gas pedal causes the engine to buck and jump. I can accelerate if I do it very slowly. Any sudden press of the accelerator causes the bucking. Fuel filter is new, air filters new, fuel pump is new. Inspection report is attached. Any thoughts?

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