Showing articles & questions for topic
Glow Plug

Related articles

Is It Safe to Drive With the Glow Plug Light 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...
Symptoms of a Bad or Failing Glow Plugs & Timer
Common signs include unusual sounds coming from the car, difficulty starting the car, and the Glow Plugs Light turning on.
Symptoms of Bad or Failing Glow Plugs
Common signs in diesel vehicles include engine misfires, issues starting in the cold, and more smoke coming out of the exhaust.
How Long Do Glow Plugs & Timers Last?
The only way that a diesel engine will be able to fire off and run is by having a set of functional glow plugs. The glow plugs in a diesel...
How Long Does a Glow Plug Last?
A diesel engine is a very powerful and complicated piece of machinery. There are a variety of things that have to work together in order for the diesel engine to fire off...
How to Test Diesel Glow Plugs
Glow plugs are specialized heating devices used to aid in the starting of diesel engines. They are similar to spark plugs in design; however, they differ in their primary function. Instead...
What Does the Diesel Engine Pre-Glow Warning Light Mean?
The diesel engine pre-glow light turns on while your engine is warming up. If it flashes, an issue has been detected, such as a worn out glow plug.
How to Replace a Car Glow Plug Timer
Glow plug timers let glow plugs know when to shut off in diesel engines. Symptoms of bad glow plug timers include hard starting or a Glow Plug Light.
How to Replace the Glow Plugs in Your Car
Car glow plugs work hard to regulate temperatures to help diesel engines run. Glow plugs often wear out and need to be replaced.

Related questions

Question
How Do Spark Plugs Work in an Engine?
Spark plugs are used to ignite the air/fuel mixture in the combustion chambers of every internal combustion engine. To accomplish this, spark plugs have two electrodes between which a high voltage spark will jump. One electrode is located in the...
Question
Glow plug
Hi there. With newer diesel engines and the advanced timing systems they have, the importance of fully functional glow plugs once the motor is lit is less important. However, as the weather gets colder, starting a diesel engine with the...
Question
When weather is cooler my truck strugles to start
You may have some carbon build up in the combustion chambers and need to have the engine decarbonized. You could also use an octane booster if you have issues after new glow plugs are installed. Once the glow plugs get...
Question
1977 Mercedes-Benz 240D cranking, but not starting
Hi there. Either one or multiple glow plugs maybe malfunctioning. Also there maybe a fuel delivery probably as well. If there is not enough fuel ores in your system, then your vehicle will not start. This diagnoses needs to be...
Question
Audi a1 glow plug light come on then goes offi
Hi there, thanks for writing in about your Audi A1. If the light is coming on that often then there may be a particular filter issue. I would need to scan the computer to see what codes are present. If...
Question
Glow plug
Like the Check Engine Light, the glow plug light on late model diesels can come on to indicate a problem in the engine control system. Even when the light is out, there should be a trouble code stored in the...
Question
My truck won't start on the key but will start straight up on a jump start I have changed the glow plugs and the deisel pipes
Hello. If your car will not start on its own, but will with a jump start, then the first thing I would check is the battery. If the battery is old or worn it may no longer have enough cranking...
Question
changing the glow plugs
The Mk 2 series 1.6l TDCI engines - up to 6/2011 build date have a 120mm length glow plug. The Mk3 series 1.6l TDCI engines, starting 02/2011 utilize a 114mm length glow plug. Diameter of the glow plug threads is...
Question
Glow Plug
Hello. The starting issue you are having could very well be caused by the glow plug circuit. It may not be the glow plugs themselves (although it could be), but rather the wires and other parts of the circuit involved....
Question
Glow plug warning light even after changing glow plugs
The glow plug warning light doesn't necessarily mean the car needs glow plugs. The engine control unit turns on the light to alert you that it has detected a fault in some component of the system, not just the glow...
Question
Are these issues related and could dealership have seen there were glow plug issues when the hooked my truck to their computer.
Hi there. The issue with the 6.0 L diesel engines is that they are to work fine in all conditions, but when the glow plug relay or the circuits fail, the computer will put the engine into limp mode causing...
Question
Glow Plug warning Light is On
The little orange light that looks like a spring is the Glow Plug Warning Light. But when it comes on, it doesn't necessarily mean you have a problem with your glow plugs. Like the check engine light, it means that...
Question
Hard start and Code P0672 - Low circuit on cylinder 8 glow plug
Hello. Code P0672 is the code for a low circuit on glow plug #2. If you are also having an issue with the cylinder 8 glow plug, then both of these issues, together, could be a potential cause for hard...
Question
Can a glow plug that's not walking cause a diesel knocking
Hi. It depends if the knock goes away after the engine warms up. If it does, then yes, this is contributing to the knock. What is happening is that the fuel and chamber is not hot enough for combustion and...
Question
Can leaving the glow plugs on damage them?
The glow plugs on every vehicle that I have ever worked on that come on when the key is turned on will have a timer unit. This timer unit limits how long the glow plugs will stay on each time...
Question
Glow plug light makes warning sound when driving at high speed
Hi there. Check the glow plug control relay to see if it is malfunctioning. This is a common part to fail on the diesel engines. The light is coming on for a the computer seeing that the engine is too...
Question
Glow Plug System light comes on sometimes and engine has a lack of power when the light is on.
Hi there. Check the glow plug relay and see if its plugged in. Check the circuits to the glow plugs and see if there is power to them when the key is turned on. The circuit to the glow plugs...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question