How do I know if my glow plug module is bad?
What are the symptoms of a defective glow plug control module?
- White exhaust smoke – a defective glow plug will cause diesel to leak into the exhaust where it burns.
- Hard to start – this could mean the engine is slow to start in warm weather or fails to start in cold weather.
Where is the glow plug control module Duramax?
Locate the glow plug controller to the driver side of the turbocharger near the firewall.
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.
How do you test a glow plug module with a multimeter?
Connect one multimeter test lead to a ground on the engine (preferably near the glow plug). Connect the other lead to the (power supply) terminal on the top of the glow plug. Read the result off the multimeter display. Note that a resistance of less than 6Ω usually means the glow plug is ‘good’.
Where is the number 8 glow plug on Duramax?
The #8 glow plug is on the driver side of the truck and it is cantered towards the bulkhead (firewall). If you are familiar with these trucks, you will recall the engine is tucked neatly under the cowl.
How much does it cost to change glow plugs?
Glow Plug Replacement Cost If you have the tools, you can escape labor costs by changing the plugs yourself. If you want to prioritize convenience and do the job done correctly, you can pay mechanic labor costs of $90 to $200 to replace your glow plugs.
Can a diesel engine start without glow plugs?
Yes, a diesel engine will run without glow plugs. In fact, many diesel engines DO NOT EVEN HAVE glow plugs, and they run. Glow plugs are not an integral part of the diesel engine operating cycle: rather, they are merely a starting aid that some engines are equipped with.