What does black smoke mean in an injector?
BLACK SMOKE. Black smoke indicates excess fuel is being injected into the combustion chamber and/or not enough air is present. This can be caused by worn/leaking injectors or restrictions in the air intake system.
Can a dirty fuel injector cause engine to idle?
If you notice that your engine is idling unevenly this can be due to a dirty fuel injector, which is delivering an uneven and inconsistent supply of fuel. If you notice fluctuations with the RPM gauge on your dashboard there may be issues with your fuel supply. This can be attributed to a dirty fuel injector.
What causes white smoke in a GM 6.6L Duramax engine?
A common issue with the GM 6.6L LB7 Duramax engine is white smoke at idle. Worn and damaged injectors are often the cause however there are other causes and considerations that should be looked at prior to injector replacement. INJECTORS STUCK OPEN OR WITH EXCESSIVELY LEAKING NOZZLES DIANOSIS 1.
When do you know you have a problem with an injector?
Once the problem injector (s) are confirmed (by checking the balance rates and/or capping the feed line to injectors one by one, or bench testing), it’s time to get it fixed. As we’ve written previously, we test the heck out of injectors with state-of-the-art equipment you won’t find anywhere else.
BLACK SMOKE. Black smoke indicates excess fuel is being injected into the combustion chamber and/or not enough air is present. This can be caused by worn/leaking injectors or restrictions in the air intake system.
How can I keep my fuel injector in good health?
Another great way to keep injectors in good health is; to regularly add a fuel injector cleaner to to your fuel tank. Many manufacturers claim that these cleaners, will give your car extra power or increased mpg. They probably won’t, or make much difference, to a car that is running properly.
What causes a fuel injector to stop working?
Over time the nozzle of the injector can become dirty and partially blocked. When you shut off your engine the injector will, soak up the heat of the engine. This causes any fuel left in the injector to evaporate, leaving behind hard deposits, inside the injector. Over time, these will eventually block the injector.
Why do I get white smoke from my diesel engine?
White smoke often occurs when there is either too much fuel being injected into the combustion chamber, or not enough heat to burn the fuel. Un-burned fuel travels through the exhaust system & exits out the tailpipe which will produce a scent of rich, un-burnt diesel.
Is there a rebuild manual for the L10 engine?
This manual contains complete assembly and rebuild specifications for the external damper model L10 engine and all associated components manufactured by Cummins Engine Company, Inc. This manual is intended as a quick reference guide for an experienced technician who is familiar with our product.
Once the problem injector (s) are confirmed (by checking the balance rates and/or capping the feed line to injectors one by one, or bench testing), it’s time to get it fixed. As we’ve written previously, we test the heck out of injectors with state-of-the-art equipment you won’t find anywhere else.
When do you put the throttle lever in full throttle?
Make sure the throttle linkage is adjusted so the throttle lever breaks over 3.0 to 6.0 mm [0.12 to 0.24 in] when the lever is in the full throttle position. NOTE: The throttle lever stop must contact the rear throttle stop screw. 2. Fuel grade is not correct or the fuel quality is poor 3. Air intake or exhaust leaks 4.
Why is my cat injector not working on my car?
The injectors have been fixed and the engine wouldn’t start. Two solenoids were changed, the nozzles & basically everything was serviced, cleaned. But the thing wouldnt start. No low pressure from the pump, its pumping fuel like it should, the fuel system has been very well bleed and the engine is still not starting.
What causes black smoke in the combustion chamber?
Black smoke indicates excess fuel is being injected into the combustion chamber and/or not enough air is present. This can be caused by worn/leaking injectors or restrictions in the air intake system. Blue smoke is normally the result of engine oil entering & burning inside the combustion chamber.
What causes a diesel engine to have excessive black smoke?
Modern diesels have grown dependent on the turbocharger to the point that they cannot function properly without it; any interruption in boost delivery will stress your engine out to the point that it may, once again, take up smoking. Compressing air makes it hotter, and hot air — by volume — contains less oxygen than cool air.