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Home >> Mercedes Benz >> 2003 >> CLK430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> P0170: Self-Adaption Of Partial Load Mixture Formation, Right Cylinder Bank, To Limit Value Of Me-SFI Control Module (N3/10) >> Possible Causes
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Possible Causes

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2002 Mercedes-Benz SL500, 2002 Mercedes-Benz S500, 2002 Mercedes-Benz S430, 2002 Mercedes-Benz E55, and 2002 Mercedes-Benz E430. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Manufacturer does not provide testing procedures for this fault.

Possible causes are air ingress (leak), fuel injector failure, pressure regulator failure or mechanical wear of engine. Inspect and repair as necessary.