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Home >> Mercedes Benz >> 2003 >> CLK430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0170: Self-Adjustment Of Mixture Formation, Right Cylinder Bank, To Threshold 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 6 other vehicles, including the 2002 Mercedes-Benz ML320, 2002 Mercedes-Benz E320, 2002 Mercedes-Benz CLK320, 2001 Mercedes-Benz ML320, and 2001 Mercedes-Benz E320. 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.

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