Question about 2008 Kia Sedona

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Have a sedona 2.9 diesel 2008 model needs to replace glowplugs but my mechanic cannot find the location of the glowplugs.any idea where we should look

Posted by hilton hendricks on


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Kia Sedona testing glow plugs you tube under fuel rail

Posted on May 05, 2021



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I would employ a mechanic that knows what to do.
Under the rocker cover. You will need a gasket set.

Posted on May 04, 2021


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1 Answer

Diesel problems starting

I can give you some general Diesel knowledge. Diesels do not have sparkplugs. Instead they have glowplugs. The glowplugs can need changing like a sparkplug, but rely on a timer which heats the glowplugs to atomize the fuel. If the timer circuit does not heat the glowplugs you will get your problem. If the timer is good and your glowplugs are bad, you will get your problem. Each glowplug can be removed and tested by applying power with battery cables, but they can melt if not tested properly. Your mechanic should know how to do this for you. Remove the glowplugs and test cylinder compression to diagnose the engine.

Mar 10, 2017 | Ford Cars & Trucks

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I am not well versed on this unknown engine, but here is something to think about. If you look at the appropriate circuit scheme, there must be a part that controls your Maximum RPM. The Limp Mode is suppose to reduce RPM and Diesels do run at lower RPM than gas engines. Often an engine goes into LIMP when it senses overheating. On some engines, cylinders are deactivated and the dead cylinders are turned into cooling pumps.

Puzzling is the Glowplug warning. This can mean you have a dead short in some glowplugs. This easily can explain starting problems, but your engine will heat the glowplugs for probably 2 minutes or less and then they are off for a cold motor. Even restarting the engine when it is hot will not activate the glowplugs. So I can't see the glowplug problem causing a Limp Mode once you are underway.

It could be engineered to work this way though, and you need to refine the info about the Year, Model, and engine size.

I think I would try to change a temperature sensor, and pull the glowplugs out and test them.

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Glowplugs are electrical heating devices, they don't cary any oil, unless it's not tight enough and diesel? is blowing backthrough the loose glowplug. Otherwise The diesel injector might leak if again something is not properly tight.

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Diesel glowplugs

Hi , the glowplugs is located at the firewall side of engine . Sits on cylinder head .

Apr 26, 2013 | 2005 Hyundai Getz 1.5

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Hello, The diesel engine relies on Glowplugs for the first start in the Morning or a cold start at anytime.

The Glowplugs themselves can be bad, but there is a Timer which determines how long the Glowplugs will stay on. Before the Timer is a Glowplug Relay which gives the Timer its power to operate. The Ignition switch provides power to the Glowplug Relay.

You disconnect a Glowplug wire, put on a test instrument (either a testlight or Voltmeter) and look to see what happens when you initiate a start. If the testlight lights and cycles a few times like a pulse, then the power supply is good. If not inspect the Timer and Glowplug Relay for continuity

If all the pulses seem to reach the Glowplugs, then most likely the Glowplugs are worn out. Test by removing then and connecting battery jumpers. Briefly touch the top terminal of the Glowplug with the Hot cable after grounding the negative cable on the base of the Glowplug, avoiding the threads.

You can melt a Glowplug. But if you find the Glowplug staying dark, then it is bad. Do this for all the Glowplugs and replace the bad ones. Remember the Glowplug only has the amount of time the Timer gives it to work. So if a few pulses do not make it Glow, then replace it. This should fix you up.

Aug 24, 2011 | 2005 Ford Expedition

1 Answer

I have a 2006 super duty f250 diesal.It cranks,but will not start.What do I need to do? I replaced both batteries with new ones.

Get a voltmeter or Test light and take off one of the Glowplug wires. The Glowplug is similar to a sparkplug and is not connected to the Fuel rail. You want to see if the Glowplug wire is getting power. The wire should have at least intermittent power, full power for a initial Cold start. This power lasts under 2 minutes.

Diesels need a Hot Glowplug to start the engine. All of the Glowplugs are connected to a timer box. The timer box is also Temperature controlled to stay on longer in the coldest weather. You should hear a "clinking" noise and the lights should dim in sync with the clicks.

If you are not getting spark to the Glowplugs check the connections to the timer box. If you are getting spark to the Glowplugs you may need to check them. Pull a few out and use jumper cables to briefly energize them. Watch out not to damage the threads. As you test do not overdo it. You can melt them!!

Finally, the fuel. Take off the fuel filter and observe if the fuel filter is empty or full. If empty you have a bleedoff problem in the fuel lines or a bad fuelpump.
Replace the filter with a new one and prime the filter with fuel. If the engine starts and then dies, you must find the bleedoff hole in the fuel line or check the output of the fuelpump with a gauge.

Diesels are harder to work on. I have read about crankshaft sensors causing problems. But for the most part, diesels are still primitive and the basictests have to be done by hand.

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2 Answers

Problems With Cold Starts.

I know for some models that Ford had another Diesel timer for the glowplugs for severe weather. This timer was meant to keep the glowplugs on longer.

I had an 87 Ford Diesel and the top wires on the timer were tight and clean. For some reason when I loosened them and retightened the wires the timer worked better.

Many truckers use a Diesel additive and usually the fuelstops have modified Diesel for cold climates. I understand there is a Cetane rating for Diesel and Premium Diesel may help.

Feb 26, 2010 | 2008 Ford F 250 Super Duty 4WD

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Sedona glowplug light flashing

HI. this warning has been initiated due to a malfunction that has been detected in one or more of the glow plugs in the engine compartment.

Normally, when this light illuminates, its because of a failed glow plug and you will need to replace the failed plug in order for the light to shut off. this replacement can be done at your local mechanic shop or dealership as well.

It could be as simple as a worn or broken wire clips as well but, its bets to take it in fo ra full inspection so that the actual issue can be repaired correctly.

Please rate and god bless:)

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1 Answer



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