What is code P0673 mean?
glow plug
What the P0673 Code Means. A glow plug is a device utilized in diesel engines to heat a cylinder head when starting up a cold engine. The diesel engine uses the high level of heat through compression, which quickly ignites the fuel. Typically, a P0673 code means the glow plug has failed to heat up and could be damaged.
What is glow plug circuit A?
The Glow Plug works when starting a cold diesel engine. The Glow Plug then heats up (glowing) for a short period of time to increase the temperature of the cylinder and allow the diesel fuel to ignite more easily. If there is open in the circuit or in the glow plug, then the code P0380 is set.
Where is 7 glow plug on Duramax?
On a Duramax #7 is the closest cylinder/glowplug to the firewall on the passenger side of the vehicle.
What causes glow plugs to burn out?
Usually, glow plug failure is due to excessive heat, or high voltages reaching the plug. Since the plugs are not designed to be on constantly, they will burn out prematurely. Moreover, excessive heat conditions can be caused by the engine’s timing, or fuel leaking from the injector(s).
What does the code p0673 mean on cylinder 3?
The code P0673 tells you that something in the glow plug circuit is faulty causing the glow plug on cylinder #3 to fail to heat up. The entire circuit must be checked to locate the fault.
What does the code p0673 mean on a glow plug?
The code P0673 tells you that something in the glow plug circuit is faulty causing the glow plug on cylinder #3 to fail to heat up. The entire circuit must be checked to locate the fault. Note: If a P0670 trouble code is present along with this DTC, carry out P0670 diagnosis before diagnosing this code.
What causes the p0674 trouble code on the PCM?
A P0674 trouble code is stored on the PCM when the reference voltage from the glow plug circuit in cylinder 4 has a variance of 10 percent over manufacturer specifications. In addition to storing a P0674 trouble code, the Check Engine Lights also illuminates. What causes the P0674 code?