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Old 23-03-2006   #16
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Re: Being overtaken by all sorts in JTD 1.9

Quote Originally Posted by jabss
ps. Like the yellow 4x4 Niall. Just like mine, same colour but doesn't jump so high and it's got windows.
A regular dose of vindaloo should do the trick !

I'll try and take a pic of the connector pulled off the sensor to give you a better idea of what needs squeezing/twisting etc to get it off.
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Old 05-04-2006   #17
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Re: Being overtaken by all sorts in JTD 1.9

Got the connector off and no difference.

Finally gave in last Friday and dropped it off at Caledonia Fiat for a plug-in diagnostic. Wierd thing was that it didn't find anything wrong. They test drove it and confirmed it was very sluggish. The mechanic reckoned the Turbo could be siezed! Oops, starting to sound expensive. Thats 38 so far.

Dropped it off today as they wanted a closer look and said they would dismantle the turbo and if it had seized try and free it. They said if it won't then it's a new turbo. Blimey, and it's only 3.5 years old and never been thrashed. Just out of warranty. That's another 180 and counting...

Checked the web for prices and turboactive.com want about 300 for a new one and then I'll have to get someone to fit it. Am expecting a call from Fiat to say it'll cost much more than that. I'm starting to wonder if I should part-ex it in quick ...

Anyway I'll update when I get some more info. Am feeling none too happy with JTD engines at the moment.
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Old 08-04-2006   #18
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Re: Being overtaken by all sorts in JTD 1.9

The latest news on the slow JTD:

Fiat dismantled the turbo and reckoned that the wastegate actuator had seized. They said they had freed it up and lubricated it and put back together. Bit more power now but not as it was a few weeks ago. They reckon the injectors aren't working quite right. Hmmm. At 200 per injector for replacements I don't fancy that at all.

That was yesterday. Today, although it felt quite a bit better, something happened on the motorway that's never happened before. After driving 20 miles or so I felt something like a misfire in the engine, the engine light came on, and 10 seconds later the engine died. Pulled on the hard shoulder. Wouldn't re-start. Called the RAC. 10 mins later tried to start it and it worked. Went out later and on the same bit of motorway at about 60mph the engine did the same thing. Very strange.

When it's running it feels fine and then misfire and that's it. Something seems very wrong. Could they be right about the injectors? Don't like the sound of this at all.
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Old 08-04-2006   #19
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Re: Being overtaken by all sorts in JTD 1.9

Quote Originally Posted by jabss
Have got a 2002 JTD 1.9 40K miles.

On the way to the Man City match today I stalled it for the first time ever! After that it felt like the engine had been swapped for one with 1/2 the power. It's running smooth, not smoking, engine lights off, idling fine, just really down on power.

Don't know much about engines but it feels like the turbo isn't working. I'm being overtaken by all sorts - buses, trucks taxis, etc. Am really worried something serious has gone wrong. Car been serviced by Fiat since new and had no problems at all before this. Not one warranty claim!

My first idea was to get a full service done as one is just about due but any more ideas gratefully received.
I think your car was trying to tell you something when it stalled, ie please don't drag me around Manky to watch these time wasters who have won nothing for 30 years. ( Only joking)- I think.
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Old 12-04-2006   #20
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Re: Being overtaken by all sorts in JTD 1.9

Last post as the problem seems to have been solved at last.

After the last visit to Fiat I broke down once the next day, twice over the weekend and about 10 times on the way to work on Monday. If I hadn't been over halfway there I would have given up. Surprising what you notice about places you just whizz past when you're stuck there waiting for an engine to cool down again.

Anyway, seems that when the engine got hot it packed in. No funny noises or dash lights just died. Left to cool again it started and then died again when warm again. The RAC finally got me back to the main dealer after a long day. The next morning they daignosed a faulty RPM sensor. I was a bit doubtful but they were pretty certain so £20 + an hours labour and it was done. Fingers crossed it looks like it's sorted.

So, slow JTD = seized turbo wastegate + faulty sensor.

Thanks for all suggestions - turned out ok in the end.

Btw, the wife's the MCFC supporter but season ticket not renewed due to corporate greed (+ cash is tight due to fixing car), Sky messing about with fixtures, and FA restrictions on any kind of atmosphere. Try getting excited about watching a match while sat down all the time - stand up and you get booted out nowadays, blimey.
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Old 13-04-2006   #21
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Re: Being overtaken by all sorts in JTD 1.9

Glad your problems sorted out now, I don't now if you would have put your heater to maximum with the blower on whether that would of kept the engine cooler a bit longer. PS I am now FC united for the same reason as MUFC.
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Old 30-04-2006   #22
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Re: Being overtaken by all sorts in JTD 1.9

i had same problem it turned out to be just apipe off the air intake pipe.Hard to see put check before you do anything else.Another possibilty is clogged fuel filter.
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Old 01-05-2006   #23
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Re: Being overtaken by all sorts in JTD 1.9

Hi, I thought I should add my experience of a similar problem with my 2004 Doblo JTD.

Symptoms were little power below 2500 RPM with a rush of power after this. There was a tendency to stall with rather uneven running. There was no smoke that I could see in the rear view mirror.

Having read all the Fiat forum posts I disconnected the air flow meter and the car ran much better, pulling from low speed without any problems. This seemed to me like pretty conclusive proof that the air flow meter was at fault, so I changed it... only to find that the new one made no difference.

I decided at this point to check the EGR valve and found this to be chocked with carbon. Blanking off the EGR had the car running perfectly on both the new and old MAF units.

Close inspection of the EGR showed that the solenoid had jammed and was holding the valve open by just a few millimeters. I found the solenoid was really stuck solid. Nothing would free it up and there was not enough of the plunger protruding to get an effective grip on it. Eventually i dismantled the solenoid valve further and used a drill chuck to grip the plunger and pull it out after a 2 day soaking in carb cleaner. The plunger was quite pitted but polished up OK. All was put back in place and the car is now running fine.

So on the basis of my experience, take the time to check the EGR valve by blanking it before assuming that the MAF is at fault, even if the car does run well with the MAF disconnected.

As a point of interest I felt the EGR inlet pipe to see how hot it was getting throughout this little saga. Before I removed the EGR the valve was getting hand warm pretty quickly at idle and I assumed this to be heat conduction. After fixing the EGR it was not getting warm at all for at least 5 minutes and then only slightly. When I blanked the EGR I did so at the EGR connection to the inlet pipe. In this condition the pipe was still cold after a 10 mile drive so I think that not much heat is conducted through to this pipe. If its getting warm it's due to the passage of exhaust gasses.

If anyone else has the same problem and wants to know how to fully dismantle the EGR solenoid, let me know and I can post some information.

Hope this all saves someone else some time and money. I've now got a spare MAF for when the original does pack up!
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Old 01-05-2006   #24
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Re: Being overtaken by all sorts in JTD 1.9

Your very correct,often the air flow meter is mistakenly fitted when the fault is the EGR valve.People often dismiss the egr as faulty because there is no 'black smoke' which is not always the case.
There is a Fiat service news available to dealers which details a series of precise tests to identify quickly if the air flow meter or egr valve is a fault however this does require the use of examiner.
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Old 01-05-2006   #25
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Smile Re: Being overtaken by all sorts in JTD 1.9

Quote Originally Posted by Old Bo
Hi, I thought I should add my experience of a similar problem with my 2004 Doblo JTD.

Symptoms were little power below 2500 RPM with a rush of power after this. There was a tendency to stall with rather uneven running. There was no smoke that I could see in the rear view mirror.

Having read all the Fiat forum posts I disconnected the air flow meter and the car ran much better, pulling from low speed without any problems. This seemed to me like pretty conclusive proof that the air flow meter was at fault, so I changed it... only to find that the new one made no difference.

I decided at this point to check the EGR valve and found this to be chocked with carbon. Blanking off the EGR had the car running perfectly on both the new and old MAF units.

Close inspection of the EGR showed that the solenoid had jammed and was holding the valve open by just a few millimeters. I found the solenoid was really stuck solid. Nothing would free it up and there was not enough of the plunger protruding to get an effective grip on it. Eventually i dismantled the solenoid valve further and used a drill chuck to grip the plunger and pull it out after a 2 day soaking in carb cleaner. The plunger was quite pitted but polished up OK. All was put back in place and the car is now running fine.

So on the basis of my experience, take the time to check the EGR valve by blanking it before assuming that the MAF is at fault, even if the car does run well with the MAF disconnected.

As a point of interest I felt the EGR inlet pipe to see how hot it was getting throughout this little saga. Before I removed the EGR the valve was getting hand warm pretty quickly at idle and I assumed this to be heat conduction. After fixing the EGR it was not getting warm at all for at least 5 minutes and then only slightly. When I blanked the EGR I did so at the EGR connection to the inlet pipe. In this condition the pipe was still cold after a 10 mile drive so I think that not much heat is conducted through to this pipe. If its getting warm it's due to the passage of exhaust gasses.

If anyone else has the same problem and wants to know how to fully dismantle the EGR solenoid, let me know and I can post some information.

Hope this all saves someone else some time and money. I've now got a spare MAF for when the original does pack up!
Old Bo,

Respec!!!!!

Niall
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Old 01-05-2006   #26
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Cool Re: Being overtaken by all sorts in JTD 1.9

Cheers Old Bo and welcome to the forum!

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Old 08-06-2006   #27
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Re: Being overtaken by all sorts in JTD 1.9

Hi guys, i'm new.

I've been having the same problem as you guys here. Van won't rev above 3000rpm, i have to change gear early just to be able to pick up speed. It seems to pull ok below 2000rpm like normal but anything above that is just pants up until it doesn't accelerate any more at 3000rpm. I have unplugged the air flow meter and it makes a bit of difference. Sometimes the van will seem a lot better and will rev to 4000rpm but still lacks normal power. Then, other times, it will not rev at all and will splutter and miss when i apply the throttle (but it idles perfectly).

So, I can only run the van without the air flow meter connected to get any kind of performance. It also seems like pot luck every time I start it whether or not i get an engine with some power. I tried shutting the van off while rolling and starting it again, I do that once and i cant rev over 2500rpm, then 2 more times until the van will rev up to 4000rpm again. It's really odd.

I tried an air flow meter off a Doblo that works but it makes no difference. I also tried the blanking plate in the egr (which seems clean and functioning apart from some soot i cleaned out) but it hasnt made the slightest difference.

While i'm driving along in 1st gear I can hear the turbo spinning up like normal when i apply throttle. The turbo is only a month old. I have compared the connections on the turbo (all the pipes, basically) with another van and they seem fine. I've checked all the electrical connectors and they seem fine.

Could it be a fault with a sensor somewhere? What sensors are wired into the ecu? RPM sensor is an obvious one I suppose but I don't know what else to check.

Any ideas guys?

ZB
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Old 08-06-2006   #28
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Re: Being overtaken by all sorts in JTD 1.9

Where/how did you blank of the EGR valve?
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Old 08-06-2006   #29
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Re: Being overtaken by all sorts in JTD 1.9

Quote Originally Posted by T14086
Where/how did you blank of the EGR valve?
I cut up a chunk of Roses tin to the shape of the metal gasket that sits between the ribbed metal pipe and the inlet manifold (the bit where it's awkward to undo the allen bolts because of the fuel filter). It appeared to make as good a seal as the original piece of metal.
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Old 29-12-2010   #30
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Re: Being overtaken by all sorts in JTD 1.9

Just wondering if rather than removing and cleaning the EGR, could I just add a good strong dose of some type of cleaner to the diesel? If some which cleaner do you recommend?

If I do have to remove and clean the the EGR, is it just unbolt on & off or do I need new gasgets?
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