Why is my glow plug light flashing?

If you have a Glow Plug Indicator flashing, it’s likely that your vehicle’s ECU (engine management unit) has detected a fault that can be related to the glow plugs, the glow plug light, the glow plug control module, or even sensors that aren’t directly related to the glow plug igniter itself necessarily.

Is it safe to drive with glow plug light flashing?

You can probably drive safely with the Glow Plug Light on as long as you take it easy. But you do need to get it checked out. Always remember, your warning lights are trying to tell you something, and determining whether the message is serious or of little consequence is best left up to a qualified mechanic.

What does the diesel engine pre glow warning light mean?

If you see a diesel engine pre-glow warning light come on steady at startup, it simply means that your engine is in the process of warming up and you will be able to start your car or truck momentarily.

Is it expensive to replace glow plugs?

If you delay changing your glow plugs because of the cost, you should know that glow plug replacements are affordable. Depending on the quality and brand, you can get a new glow plug for anywhere between $25 and $50. If you have the tools, you can escape labor costs by changing the plugs yourself.

Is it safe to drive with the diesel engine pre glow light on?

Is it safe to drive with the diesel engine pre-glow light on? Some vehicle engines cannot even be started until the glowplug light has turned off, therefore preventing the drivers from starting the engine too soon. You should always wait for the light to shut off before attempting to start the engine.

Will a diesel run with bad glow plugs?

Bad glow plugs can hurt your engine’s performance, or cause it to stop running altogether. These glow plugs provide enough heat for fuel to combust safely in your diesel engine. If one or more of your glow plugs has gone out, your diesel engine may no longer be able to start.

What does a flashing glow plug light mean?

A flashing glow light does mean something really wrong has been detected and its safe guarding the engine similar to what new transport trucks do. Ideally if it does that again plug your scanner in right away. Both the flashy light and loss of power are both common with a sensor in the fuel pump on the engine itself going bad in 2005-2010ish cars.

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.

Why does the glow plug flash on my Jetta?

This topic contains 15 replies, has 7 voices, and was last updated by Kyle Kirchofer 3 months ago. Happy Saturday, everyone! My girlfriend’s Jetta TDI has had an on-going issue that only appears very sporadically. While on the highway, the glow plug light begins to flash, the engine loses power, and begins to decelerate.

What are the glow plugs on a VW?

The old VW ones literally had 5 wires on them. Oil pressure sensor, Coolant temp for the gauge, coolant temp for the thermo time switch for Glow Plugs, Fuel cut of solenoid, and the glow plug strap itself. If the timing was set properly and all in good health they go forever.