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Nairaland Forum / Nairaland / General / Car Talk / Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs (5912 Views)
Signs And Symptoms Of Bad Or Failing Glow Plugs In Diesel Cars / Symptoms Of A Bad Or Failing Ball Joint / Symptoms Of Bad Or Failing Brake Pads (2) (3) (4)
Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by obafemee80(m): 12:00am On May 27, 2017 |
Glow plugs are an engine management component that is found on vehicles equipped with diesel engines.Their purpose is to preheat, and help warm up the engine’s cylinders so that diesel combustion can occur more easily. They play an especially important part in warming the vehicle’s cylinders during cold starts, where starting the engine is most difficult. Glow plugs use an electrode which will warm up and glow orange when current is applied.When the glow plugs have an issue,they can usually cause problems with the driveability of the vehicle. Usually bad or failing glow plugs will produce a few symptoms that can alert the driver of a potential issue.[img]http:///a/img922/5480/H9Xssg.jpg[/img] 1)Engine misfires or decrease in power and acceleration Engine misfires are one of the first symptoms of an issue with the vehicle’s glow plugs. If the glow plugs malfunction they will not provide the additional heat that aids in diesel combustion, which may cause the engine to experience misfires. The misfires may cause a loss in power, acceleration, and even fuel efficiency. 2)Hard starting Another symptom of an issue with the vehicle’s glow plugs is hard starting. Unlike gasoline engines, which use a spark to ignite the fuel mixture, diesel engines rely solely on cylinder pressures to ignite the diesel fuel mixture. If the glow plugs fail, the engine will have to overcome additional pressure in order to ignite the mixture, which may result in hard starting. 3)Black smoke from the exhaust Another symptom of an issue with the glow plugs is black smoke from the exhaust. Faulty glow plugs may disturb the sensitive diesel combustion process, which may cause the engine to produce black smoke from the tailpipe. Black smoke can also be caused by a wide variety of other issues, so having the engine properly diagnosed is highly recommended. 4)Indicator Light Some vehicles are equipped with an on-board diagnostic system that will alert you of problems with your glow plug. When you start your vehicle, pay close attention to the LED lights on your dashboard. If any warning lights are on, consult your owner's manual to identify the problem. A glow plug warning light can indicate a faulty temperature sensor, a disconnected glow plug relay or a corroded glow plug. Glow plugs are found on virtually all diesel engines,and play an important role in starting and operating the engine. If your vehicle is displaying any of the symptoms above, or you suspect that your glow plugs may be having an issue,have the vehicle inspected by a mechanic,to determine if the glow plugs need to be replaced. https://www.yourmechanic.com/article/symptoms-of-bad-or-failing-glow-plugs http://www.ehow.com/info_8522765_signs-symptoms-bad-glow-plug.html 3 Likes 1 Share |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by sukkot: 7:22am On May 27, 2017 |
cool 1 Like |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by buygala(m): 7:22am On May 27, 2017 |
OK |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by veekid(m): 7:22am On May 27, 2017 |
Bad pass |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by smartty68(m): 7:33am On May 27, 2017 |
Thanks 1 Like |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by Dottore: 7:45am On May 27, 2017 |
Nice topic but one funny thing is that I've never seen a good brand new glow plug. The few ones I've ever replaced were foreign used popularly known as "belgium". The new ones available in the market sell for around 300-500 naira and they take up to 8 seconds to heat up and turn red while the "belgium" ones sell for around 800 and they heat up in 2 seconds. 2 Likes |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by 9icetoo(m): 8:13am On May 27, 2017 |
on older diesel engines, glow plugs mattered. on newer ones, not so much. the volks TDI engine does not use the glow plugs when the temp is warm. (I think above 10 degrees celcius). |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by AnusOdourInhaler: 8:51am On May 27, 2017 |
Cool article bro 1 Like |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by MrHighSea: 12:56pm On May 27, 2017 |
thumb's up, Op 1 Like |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by Nobody: 5:28pm On May 27, 2017 |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by Segekesy(m): 11:46am On May 28, 2017 |
Hello Do You Know Anyone That Repairs Cummis Engine |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by erico2k2(m): 12:52am On May 30, 2017 |
Dottore:Buy from Ebay or Amazon, some of their sellers will post to you.Will cost you but the one you buy will die with teh car. |
Re: Diesel Engines: Signs And Symptoms Of Bad Or Failing Glow Plugs by TSAT: 1:32am On May 30, 2017 |
Pls,does anyone know a good Benz CDI mechanic. Contact will be appreciated. By the way,a good information by OP |
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