|Low Fuel Level in Tank
|Fill fuel supply tank.
|Idle Speed Too Low
|Check / adjust low idle screw setting.
|Air in the Fuel System
|Bleed fuel system and check for suction leaks.
|Fuel Supply Restricted
|Clean or replace pre-filters and screens, check for fuel line restrictions.
|One or more Injectors Malfunctioning
|Check / replace injectors.
|Worn or Malfunctioning Injection Pump
|Remove pump. Have pump recalibrated or replace injection pump.
Why Do Diesel Fuel Injectors Fail? There are two major causes of diesel fuel injector failure associated with the properties of the fuel itself: excess wear and deposits. 1) Common Reasons Diesel Injectors Fail: Excessive Wear One mode of injector failure is excess wear. Prior to 2006, diesel fuels in the United States contained relatively…
If you were looking for turbo-diesel power in the 1990s and early-2000s, you had two main choices: Ford’s 7.3 Powerstroke V8 or Dodge’s 5.9 Cummins I6. These were some of the first modern diesels to have direct injection and turbochargers as standard, opening up entire new worlds of performance opportunities. Though now long out of…
For over a decade now, the Ford 6.7 Powerstroke and Dodge’s 6.7 Cummins have been the top of the line for turbo-diesel power plants. Yet, besides their displacement, they actually share very little in common. For starters, the Powerstroke is a V8 while the Cummins is an inline-six. However, they are two of the most…
Warm it up Diesel engines clatter when they are cold. This is because diesel engines rely on the heat generated by compressing air in the cylinders in the engine for the diesel to ignite, with a cold block and cold air, combustion is not very efficient. When you start a diesel engine for the first…
Cause Correction Incorrect Starting Procedure Refer to “The Starting Procedure Matrix“. OK No Fuel in Tank Add fuel. OK Electric or Manual Fuel Shutdown Not Open Check for loose wires and verify that the solenoid is functioning. Check to be sure the manual shut-off lever is in the “Run” position. OK If the condition occurs…
Often times we get questions about why someone’s well running diesel truck isn’t “rollin’ coal” or making black smoke. The simple answer is, the fact that you are not seeing any black smoke is a good thing. A properly running diesel engine should not have any smoke at all. Black smoke is an indication of restricted…