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Old 17-03-2005   #1
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Question Ducato 2,8 jtd Misfire

My Ducato 2,8 jtd -03 misfire when reach about 2100-2300 rpm.
Have changed ECU and pot.meter for speed, but no help.
My local dealer in norway can not understand it....

When it reach about 2100-2300 rpm, its misfire. When i go higher or lower than 2100-2300 rpm, or give more speed, its ok.

Anyone knowing ?
Kairo
Norway
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Old 18-03-2005   #2
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Re: Ducato 2,8 jtd Misfire

Has the dealer checked the connections and wiring to the injectors? Could be the fault, seen this on a few 2.8JTDs.
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Old 08-03-2013   #3
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Re: Ducato 2,8 jtd Misfire

Hi Kairo,
do you fix your Ducato?
a have same trable with 2.8JTD.
THX for help.
Martin
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Old 16-03-2013   #4
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Re: Ducato 2,8 jtd Misfire

Check the accelerator pedal. It is a fly-by-wire operation and can have a fault at a certain position. It has happened on a few Ducatos.
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Old 08-04-2013   #5
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Re: Ducato 2,8 jtd Misfire

I have tried four pedals, problem is still.
Martin
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Old 08-04-2013   #6
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Re: Ducato 2,8 jtd Misfire

Hi
As paul (above) has already said there are numerous threads on the forum concerning misfiring which has been attributed to the wiring on injector No.4. On some 2.8JTD Ducatos it has been found that the wiring harness is too short & has caused the symptoms you have described.
Hope that helps
Cheers
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Old 09-04-2013   #7
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Re: Ducato 2,8 jtd Misfire

Any fault codes?
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Old 09-04-2013   #8
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Re: Ducato 2,8 jtd Misfire

Just read your post again, if you can consistently get it to misfire then it should be very easy to find by graphing the sensor outputs, if its a small transient error a digital oscilloscope might be required to catch it.
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Old 15-05-2013   #9
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Re: Ducato 2,8 jtd Misfire

Ecu without fault codes.
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