Cat C7 injector leakage

What is the main issue discussed in the text?

• Fuel pump failure

• Engine overheating

• Oil leakage in the fuel tank

• Fuel dilution in oil

Which engine model is specifically mentioned as an example?

• Cummins

• Kat C7

• Detroit

• Mercedes

What is a common symptom of fuel dilution in oil?

• Oil turning a lighter color

• Decrease in engine noise

• Oil becoming super black

• Increase in oil viscosity

What is typically used to troubleshoot fuel in the oil?

• Fuel additive

• Oil filter

• Black light

• Fuel dye

Which component is most likely to cause fuel dilution in C7 and C9 engines?

• Fuel rail

• Injectors

• High pressure fuel pump

• Fuel nozzles

What is the purpose of adding fuel dye to the fuel filter?

• To clean the fuel system

• To detect leaks

• To improve fuel efficiency

• To increase oil viscosity

How long should the engine run after adding the fuel additive?

• 1 minute

• 15 seconds

• 5 minutes

• 30 seconds

What is the recommended action if an injector is found to be leaking?

• Seal the injector

• Ignore it as it's normal

• Clean the injector

• Replace the injector

What is the consequence of leaving fuel diluted oil in the engine?

• Potential bearing damage

• Improved engine performance

• Louder engine noise

• Increased fuel efficiency