A diesel has two oil pumps, a low-pressure for the internal components, and a high-pressure(3700 PSI) to pressurize the fuel injectors. The fuel pressure itself runs in the neighborhood of 26,000 PSI to overcome the compression pressures. Symptoms Symptoms of a P2263 engine code may include...
Electronic boost pressure control | Testing the turbocharger actuator ✓ Repair instructions ✓ Diagnostic example of a Mercedes-Benz E350