Why Every 6.7 Powerstroke Needs a CP4 Upgrade Before Heavy Hauling
Introduction Known for its outstanding towing prowess, the Ford 6.7 Powerstroke diesel engine is a popular choice for heavy hauliers, fleet drivers, and weekend enthusiasts. This engine has up to 1,050 lb-ft of torque and is well-built to handle the weight of a big load on the road. But, under the hood is the Achilles’ heel of this powerhouse: the Bosch CP4.2 high-pressure fuel pump. The fuel system is stressed significantly during every trip a driver makes, but during heavy hauling trips, it is put under the ultimate test, thereby greatly increasing the likelihood of a catastrophic failure of the pump. Failure of this pump is much more than a roadside occurrence. Upgrading away from the factory CP4 pump isn’t
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