Ford 6.7L Power Stroke CP4.2 Pump Failure: Lawsuit Update & Fixes
Ford 6.7L Power Stroke CP4.2 Pump. Ford’s 6.7L Power Stroke diesel engine, used in Super Duty trucks from 2011 to approximately 2019, contains the same Bosch CP4.2 high-pressure fuel pump found in GM’s Duramax lineup. The pump suffers from the same fundamental design flaw — insufficient lubricity in U.S. ULSD fuel leads to internal metal-on-metal wear, catastrophic failure, and system-wide contamination. Unlike GM, which reached a $50 million class-action settlement in May 2025, Ford has not settled the CP4 pump lawsuit as of early 2026. The litigation —…









