How to get rid of white smoke from a Duramax engine?
1. Remove IGN 1 relay. 2. Remove the glow plug from the suspect cylinder (s). 3. Crank the engine and check for fuel spray coming out of the glow plug hole. Caution: Make sure you are not in front of the glow plug hole during this process. 4. Replace any injectors on the cylinders that spray fuel.
What to do if your Duramax has a cold start?
Perform a glow plug system and intake air heater check even if there is no complaint of a cold start problem. 1. Engine compression. 2. Dilution of the oil with fuel. 3. Engine coolant temperature sensor. 4. Rail pressure sensor. 5. Proper fuel supply to the high-pressure pump.
Why is my Duramax diesel engine not working?
The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.
Why is my Silverado LLY going into limp mode?
The Air intake system on the LLY is fairly restrictive. This creates a lot of heat to be stored in the turbo, intake ect. So essentially you get a heat soaked motor. Added to this is a strain on the fuel system. At 2600 RPM you are sitting close to red line puting a large demand on the fuel system.
The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.
When does DTC put a car in limp mode?
When the engine control module, transmission control module or brake control unit (ABS) detects a problem in the engine, transmission or with the brake system, it will store a trouble code in your DTC memory. If one of the control units decide that the problem is dangerous for the engine or transmission, it will put the car into limp mode.
Why does my engine go into limp mode?
The reason for this is that limp mode could be caused by a lot of different engine components in your engine bay. Therefore, the solution for this is to read the trouble code memory with an OBD2 scanner to find the problem before you are replacing any engine parts! Here is a list of different possible causes of limp-mode.
Are there any problems with the LLY Duramax?
In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.