Posts Tagged: diagnostic

Rotary Pump Priming Problems

Stanadyne DBO injection pump

Injection pump priming information for Stanadyne and Delphi (CAV, Lucas) pumps. We receive a number of troubleshooting calls from people that have just installed a rebuilt pump, but can’t get fuel to the injectors. Most of the problems occur due to creating an airlock inside the injection pump. The high pressure portion of the injection… Read more »