How to replace glow plugs on Mercedes Benz?
Cleaned the lug and the contact surface on the cylinder head with some sandpaper and then tightened the bolt – problem solved! I had already replaced 6 Glow Plugs and the Glow Plug Control Module, totally unnecessarily.
Why is the glow plug still on on my 2008 ML 320?
A pity this thread stopped where it did. On my 2008 ML 320 CDI (Canada) both the glow plug light and the CEL remain on after starting. There must be little to no pre-heating from the glow plugs because the vehicle doesn’t start like it should.
Why is the CEL not on on my 2008 ML 320 CDI?
On my 2008 ML 320 CDI (Canada) both the glow plug light and the CEL remain on after starting. There must be little to no pre-heating from the glow plugs because the vehicle doesn’t start like it should. I’ve replaced all 6 glow plugs and the glow plug control module with the correct parts from the dealership and still the problem remains as before.
What is the code for the glow plug?
Code P0670 appears to be solved and I saved spending over $350 on a new controller. 2015 VW Beetle 1.8l, 2014 For Escape, 2001 BMW R1100S.
Where is the glow plug control module located?
Located on the engine and with a direct connection to the engine control unit, the control module uses a microprocessor to analyse input from the engine control unit to determine information related to the working of the glow plugs.
How can I tell if my glow plugs are working?
If your glow plugs are all working correctly, move onto your glow plug control module. Start by checking the battery voltage to the glow plug control module, a voltage drop of over a half volt (or more) means your control module should be replaced.
How does the glow plug work on a car?
The injected fuel mixes with the compressed air, evaporates and starts combustion almost simultaneously, even when the engine is cold; The glow plug remains on during the pre-heating phase to ensure correct combustion of the fuel and reduce the environmental impact of your car.
How often do glow plugs need to be replaced?
Replacing your glow plugs or glow plug control module is a straightforward project that is recommended every 60,000 miles (95,000 km). This will help ensure that you don’t find out they’ve gone bad on a really cold day. Before you start, ensure that you have read all relevant instructions in your owners’ manual and have all relevant tools at hand.