Hyundai Getz 1.5CRTD uneven running | Technical matters | Back Room Forum

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Sat 27 Jan 2007 23:16

Hyundai Getz 1.5CRTD uneven running - JamZ

I have a Hyundai Getz which has developed the strangest fault. If the engine is started when completely cold, it starts and runs fine. Similarly, if started when completely warmed up, it starts and runs fine. The problem occurs when you try to restart the car when the engine has not fully warmed up.

The symptoms of the fault are as follows:
-very little power under load and stalls extremely easy
-uneven running and generally sounding very rough / laboured when idling.
-will not rev above about 1,500 revs and starts to splutter when it hits this limit
-more smoke than usual (even for a diesel) when you do rev the engine.
-if you stop and restart the engine, there is roughly a 15% probability that the problem will not be there after there restart.

Although the car is still under warranty, they have taken a look but cannot find anything wrong because the dealership is some distance away and by the time it gets there, it's completely up to temperature and runs sweetly.

I did think it might be to do with the preheating system / glow plugs etc, but that doesn't explain why it starts fine when completely cold... Any ideas? It's driving me mad (no pun intended). Other than this problem, I must say that I am actually really happy with the car.

Many thanks for reading this.

James

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Sun 28 Jan 2007 20:15

Hyundai Getz 1.5CRTD uneven running - GregSwain

EGR valve? MAF sensor? I'm guessing the engine-management light hasn't been on.

I'd push to get it sorted under warranty, although being a Hyundai it'll have a lot of warranty left!

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Fri 20 Aug 2010 18:24

Hyundai Getz 1.5CRTD uneven running - nightmarecar

I have a Hyundai Getz which has developed the strangest fault. If the engine is started when completely cold, it starts and runs fine. Similarly, if started when completely warmed up, it starts and runs fine. The problem occurs when you try to restart the car when the engine has not fully warmed up. The symptoms of the fault are as follows: -very little power under load and stalls extremely easy -uneven running and generally sounding very rough / laboured when idling. -will not rev above about 1,500 revs and starts to splutter when it hits this limit -more smoke than usual (even for a diesel) when you do rev the engine. -if you stop and restart the engine, there is roughly a 15% probability that the problem will not be there after there restart. Although the car is still under warranty, they have taken a look but cannot find anything wrong because the dealership is some distance away and by the time it gets there, it's completely up to temperature and runs sweetly. I did think it might be to do with the preheating system / glow plugs etc, but that doesn't explain why it starts fine when completely cold... Any ideas? It's driving me mad (no pun intended). Other than this problem, I must say that I am actually really happy with the car. Many thanks for reading this. James

Hi James. My wife has had the exact same problem for a number of years with the same car as yours and, like you, we have not been able to find out what it is eventhough we are so desperate to sort it out, we would be prepared to pay any price (within reason) to this end. Please, if you read this, respond. we are at our wits end. Nick

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Thu 11 Nov 2010 17:36

Hyundai Getz 1.5CRTD uneven running - ninjabadger

Yay!

Sorry for my joy at your misfortune but I'm not alone any more!

Same car, same problem. Occured when the car was relativly new, went in several times and kept coming back not fixed. They wouldn't listen no matter how many times I explained it needed to be cold to occur. They finally did fix it but they couldn't be certain what they did.

A few year later and the same again, and I mean the same (it was a different dealership), returned unfixed several times then fixed without them knowing what they did.

The problem has now re-occurred, 100K+ miles and now out of warranty =-(

And it seems to be getting worse/less predictable. It has happened after some journeys which would previously have got it hot enough not to occur, and yesterday it wouldn't start after work (it was very cold) and I ran the battery flat trying.

This morning with jump leads it started, but started in 'rubbish' mode, so i had to let it warm up a lot, before it would start normally.

Oh yes, perhaps one difference is that mine always needs to get up to temp before it will restart properly, none of this 10-15% probability of it going away, although I do recall that's how it was the very first time this problem occurred.

Help! Anyone!

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Tue 23 Nov 2010 22:20

Hyundai Getz 1.5CRTD uneven running - nightmarecar

Hi ninjabadger (I take it this is not your real name!!!)

Car is in the local (Gloucester) hyundai as we speak. by the way, it's my wife's car poor thing (the wife not the car!)

We are lucky, in our case, that they did listen and they were patient enough to understand the problem. You see, I took the car over to them the previous evening and left it there. First thing in the morning I was there ready to demonstrate: started the car...perfect, as expected. Drove down the road and back, a distance of half a mile. Mechanic was still there waiting for me to return. When I did, I switched off and then tried to switch on again and to my delight (!!) there it was, billows of brown smoke out of the exhaust, sickening sound of engine struggling to pick up some revs as I pressed down on the accelerator etc.

They have now cleaned the throttle housing which was all gunged up. However, it appears that the cause of the throttle housing being gunged up was the solenoid that controls the gases going into the throttle housing had packed up. So they also replaced the solenoid. I'm picking the car up first thing in the morning (24/11/10)

So.. watch this space mate..

Nick

PS any useful info from your end..do pass it on please!

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Thu 25 Nov 2010 09:10

Hyundai Getz 1.5CRTD uneven running - ninjabadger

Thanks for the response...

Let me know how it goes.

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Thu 25 Nov 2010 21:36

Hyundai Getz 1.5CRTD uneven running - nightmarecar

hi ninjabadger, Well..car came back from the garage and so far so good.

The following was written on the invoice:

THROTTLE BODY JAMMED SHUT UPON STARTING (so there is your problem clearly stated)

THROTTLE BODY REMOVED AND CLEANED, INCLUDING ACTUATOR.

THROTTLE BODY REFITTED.

EGR VALVE CLEANED.

IT IS RECOMMENDED THAT THIS CLEANING PROCESS IS CARRIED OUT EVERY OTHER SERVICE.

Now they said that the cause of the gunging up of these components was a faulty Exhaust Gas Return (EGR) valve solenoid. So, they also replaced the solenoid ! Or so they said..Now it's a reputable garage and I hesitate starting to suspect that they are not telling the truth about replacing the solenoid. They said that that's what their diagnostic tests indicated...but why on earth did diagnostics not pick that up in the first place?...me thinks..

Anyway...they did not charge me for replacing the solenoid. They said that once I'm totally satisfied that the car continues to work well (as far as this problem is concerned) then I can go in and pay them for the solenoid. (Aren't they generous!!)

So I'll give it a couple of weeks and see how it goes.

What do you think ninjabadger?

I would be interested in finding out how the cleaning process mentioned above is carried out so that I can carry it out myself because it's not a cheap job !! Also because it's really a lovely car in every other respect !

THAT'S WHERE YOU CAN HELP NINJABADGER! CAN YOU FIND OUT HOW THIS CLEANING PROCESS IS CARRIED OUT? I WILL FIND OUT MYSELF SOONER OR LATER, ONE WAY OR ANOTHER !

Thanks..Nick

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Fri 26 Nov 2010 10:07

Hyundai Getz 1.5CRTD uneven running - ninjabadger

Hi Nick,

The very first time it happened on mine they mentioned the ERG valve, I think they replaced it - the problem reoccurred a couple of years later.

Next time they replaced the throttle body, again this fixed it for a couple of years but the problem's reoccurred.

I get the feeling this is a design flaw (well obviously as it occurs on several cars) and they always feel they need to identify a root cause (some component or other), where as maybe the thing to do i (as your garage said) include this in the service.

I'm looking into how to service this myself so watch this space.

Many thanks for the update.

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Fri 26 Nov 2010 11:00

Hyundai Getz 1.5CRTD uneven running - dieselnut

If I were you I would disconnect the EGR valve altogether.

At the moment you have a perfectly clean throttle body which will just get clogged up again with the recycled exhaust gas.

You can either just disconnect the wiring to the solenoid valve which may bring up a warning on the dash but should not affect running, or fit a blanking plate into the pipe to the EGR which also may bring up a warning depending how sophisticated the ECU is.

Having a non functioning EGR will not affect your car passing the MOT.

You will also get slightly better MPG.

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Fri 26 Nov 2010 12:04

Hyundai Getz 1.5CRTD uneven running - Collos25

And a dirtier atmosphere.

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Fri 26 Nov 2010 14:42

Hyundai Getz 1.5CRTD uneven running - dieselnut

" And a dirtier atmosphere. "

You are quite right, the engine will put out more NOX gas, but as JamZ states in his first post when the car has the problem " -more smoke than usual (even for a diesel) when you do rev the engine " plus, the car will be using more fuel - even more pollution.

And the expensive fix doesn't last.

How many owners will say ' can't afford all that money' , as the car still works I will keep driving around the problem.

Seems to me to be the better of 2 evils.

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Sat 4 Dec 2010 17:04

Hyundai Getz 1.5CRTD uneven running - ninjabadger

SORTED!

Internet 1 - 0 Hyundai

Okay, cleaning the throttle body fixes the problem!

To do this...

1) Remove the battery

2) Remove the engine cover

3) Remove the air filter housing

4) Remove the plate the battery sits on - it's tricky removing all the clips for the cables etc, especially on the left of the tray there's a plastic cable housing box which I ended up breaking the clips for to get off

5) Undo the hose/jubilee clip on the hose into the engine inlet and slide the hose off the throttle body

6) Clean inside the throttle body

I will post a fuller description in time, just wanted to post thanks really!

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Tue 7 Dec 2010 22:09

Hyundai Getz 1.5CRTD uneven running - nightmarecar

great stuff ninjabadger! well done and thank you too!

I'm snowed in at the moment but the wife's car is still working to perfection after the clean up job the garage carried out on the throttle housing.

I hesitate starting to fiddle around in the engine due to the fact that I have no heating in my garage and the last hing I want is chill sores!

Hopefully the car will last until the weather starts to warm up a bit.

THEN I'LL HAVE A GO AT THE CLEANING PROCESS YOU DESCRIBED.

I MAY EVEN BE TEMPTED TO DISCONNECT THE SOLENOID VALVE, IF I CAN FIND IT (!!I'M NO GREAT MECHANIC!!) AS "DIESELNUT" SUGGESTED.

Thanks again

Nick

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Sat 23 Mar 2013 18:48

Hyundai Getz 1.5CRTD uneven running - antisocial

same trouble cleaned out throttle housing. and all fixed thanks to you all local garages didnt have a clue thanks again..

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