4/5/2024 0 Comments Cummins vp44 pumpThe rupturing of the diaphragm is caused by a poorly designed lift pump. When this occurs your Bosch VP44 Injection Pump must be replaced. This will cause the dreaded check engine trouble code P0216. The diaphragm ruptures allowing the timing piston to vibrate and damage the front cover until fuel bypasses. The most common mechanical failure of the VP44 pump is rupturing of the diaphragm in the front of the injection pump. There are three common mechanical failures of the VP44 injection pump: Over the years these have been notorious for going out and costing consumers a lot of money, especially if you take your truck back to the dealer, repair cost usually average about $3000. The most common mechanical problem with the 98.5-2002 Dodge Cummins was failure of the Bosch Vp44 injection pump and lift pump.
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