How do you troubleshoot a diesel engine?

How do you troubleshoot a diesel engine?

Diesel Engine Starting Problems

  1. Check the fuel supply. Replace fuel filters, as they could be clogged.
  2. Check batteries and connections to starter.
  3. Take a look at the starter motor.
  4. Check fuel pump and fuel lines.
  5. Check fuel for contamination.
  6. Check and clean the air filters.
  7. Have a shop check the injectors and ECM.

What can cause a diesel engine not to start?

A diesel engine that cranks normally but won’t start regardless of the outside temperature either has low compression or a fuel delivery problem. Then check the fuel filters and lines for obstructions. If the injection pump isn’t pushing fuel through the lines to the injectors, it may have a faulty solenoid.

What is troubleshooting in an engine?

Troubleshooting is a systematic analysis of the symptoms that indicate engine malfunction. A thorough knowledge of the engine systems, applied with logical reasoning, solves most problems that may occur.

What would cause a semi truck to lose power?

Carbon Buildup on Fuel Injectors If there is even a slight miscalculation the combustion cycle can get disrupted and that can result in loss of power and the worst-case scenario broken pistons. One of the most common reasons for fuel injector’s failure is carbon buildup due to low-quality fuel.

What causes low compression in a diesel engine?

Some common causes of low compression in only one of your cylinders include leaking valves, broken valve springs, camshaft wear, broken rings, or a bad head gasket.

How long does it take to repair a semi truck?

In our shop, tear down of the valve shows soot, is the main problem (Out of 26 valves, only two had mechanical issues) Three cans of brake clean fixes our problems. The valve is fairly simple to remove and clean. It takes about 3 hours and the truck is back in service.

What to do if your semi truck is leaking?

If there’s no coolant on the ground, and it’s disappearing when the truck is shut off, it’s most likely a head gasket. If it’s not leaking externally, it’s leaking internally. Take the truck to the engine manufacturer, like a Cummins or Cat shop or whatever your motor is, you didn’t say, NOT the truck dealer or just any dealer.

What to do when you have truck problems?

When you have truck problems, you can rely on Mickey for premier service. We offer reconditioning and service, customer support, used vehicles, and parts and equipment sales that are rivaled by no other trucking or transportation parts and service company. If you have questions or concerns with truck repair problems, contact Mickey today.

What happens when you shut off a semi truck?

However there is no fluid on the ground. The rad fluid disappears when the truck is shut off. There is no sign of fluid on the ground. Answer: Check the oil when the truck is cold for signs of coolant on the dipstick. Many manufacturers set the low coolant sensor too high on the radiator.