Easy tips

What happens when the glow plug light comes on?

What happens when the glow plug light comes on?

It depends on the nature of the problem. Sometimes, when the Glow Plug Light comes on, the engine in your vehicle will go into “safety” mode, in order to prevent any damage to the engine. If this should occur, you might perceive a drop in performance.

When to turn off glow plug on diesel engine?

You should always wait for the light to shut off before attempting to start the engine. Being a little patient will help keep your engine going strong in the long run. Our certified technicians are always available if you ever require assistance identifying glow plug issues.

Why is my pre glow warning light not working?

If a new glow plug doesn’t remedy the problem, take a look at other parts of the circuit, mainly the timer. The timer’s job is to turn the plugs off once the correct temperature has been reached. A faulty timer may keep the plugs on for too long, wearing them out, or even not turn the plugs on at all.

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 happens when glow plug comes on while driving?

Glow plug light came on while driving, and… the car topped out at 50 mph in a 70 zone. It drove the rest of the way home with no real issues, except that it was slower to respond to accelerator input, and the glow plug light stayed on.

Why does my glow plug light keep flashing?

While on the highway, the glow plug light begins to flash, the engine loses power, and begins to decelerate. It does not stall, but when stepping on the accelerator, all it does is shudder and continue to decelerate. Once we pull over to the shoulder, we turn it off, wait a couple seconds, and turn it back on.

If a new glow plug doesn’t remedy the problem, take a look at other parts of the circuit, mainly the timer. The timer’s job is to turn the plugs off once the correct temperature has been reached. A faulty timer may keep the plugs on for too long, wearing them out, or even not turn the plugs on at all.

When does the diesel engine pre glow light come on?

What the diesel engine pre-glow light means Normally, the glow plug indicator light will come on only when the engine is cold. Typically, this light flashes only when an issue has been detected. The most common reason to replace glow plugs is age.

Author Image
Ruth Doyle