When you are shopping for replacement injectors, it’s best to go with a shop that has experience & utilizes the latest testing equipment. We also stand behind all of our injectors with the best expanded warranty in the business. 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.Īs we’ve written previously, we test the heck out of injectors with state-of-the-art equipment you won’t find anywhere else. This is most often caused by low compression, or worn piston rings.īut what we see more often than not are issues related to worn injectors. This can be caused by worn/leaking injectors or restrictions in the air intake system.īlue smoke is normally the result of engine oil entering & burning inside the combustion chamber. Other causes of white smoke include lack of compression, or water/coolant entering the combustion chamber.īlack smoke indicates excess fuel is being injected into the combustion chamber and/or not enough air is present. Un-burned fuel travels through the exhaust system & exits out the tailpipe which will produce a scent of rich, un-burnt diesel. 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.
#7.3 injector driver module fails when warm drivers#
Now this isn’t always the case, but after some trouble shooting we’re usually the go-to shop when diesel drivers need refurbished, rebuilt, or new injectors.
![7.3 injector driver module fails when warm 7.3 injector driver module fails when warm](http://www.powerstrokehub.com/img/figures/ficm-test-diagram.jpg)
In many cases, white smoke emanating from the tailpipe (often at idle once the engine reached operating temperature) typically means a worn out injector. We’ve heard of rollin’ coal, but rollin’ snow? Not a good sign.īlowing white smoke is a red flag for your diesel engine, yet we see this happen all the time to our customers. Linkedin White smoke from an LB7 Duramax engine often indicates faulty injectors.