Do glow plugs affect fuel consumption?

Do glow plugs affect fuel consumption?

Glow plugs help to provide the additional heat in the combustion chamber. If the required temperature is not reached due to faulty glow plugs, the engine’s performance will be weakened, and it will have to work extra hard to meet the demands of the road. The vehicle’s fuel efficiency will be negatively affected.

What is a glow plug indicator?

Glow Plug Indicator Indicator light means that the engine’s glow plugs are warming up and the engine should not be started until the light goes out. If it flashes, an issue has been detected, such as a worn out glow plug.

When does the glow plug light come on?

Your diesel vehicle is equipped with glow plugs, and also with a Glow Plug Light that will either come on and stay on, or flash or blink when a fault is detected by the ECU (engine management unit). When the Glow Plug Light comes on, the ECU stores information about the condition that has caused it to come on.

What does it mean when your glow plug is flashing?

Flashing Glow Plug, but not limping (reduced power aka limp mode), or engine stalling out means you are probably ok. Looked thru my Golf manual and cannot find a reference to blown bulbs triggering a flashing GP, but JSW may be different. Next engine start see if it comes back.

Is it safe to drive with the glow plug light on?

A qualified mechanic who has a code reader that is suited to your particular make and model of vehicle can retrieve this information, and then make a diagnosis of the problem and recommend a course of action. So, can you drive safely with the Glow Plug Light on?

What’s the flashing light on my TDI DSG?

2011 Golf TDI DSG. My guess is a burnt out brake light. A piece of electrical tape over flashing gp light may help till you get it looked at. Also the above post might be worth a read and it might not. And now it has been joined by the equally unhelpful “check engine” light.