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[Engine] Juddery throttle
#1
Evening all. Got our B'ingo couple of weeks ago and loving it so far. Replaced the worn shocks, top mounts, drop links- drives far better. Only annoying thing is the juddery throttle. 0 to 1 position so to speak. It's worst in start and stop traffic and letting the foot off  the throttle while in 1st or 2nd gear results in me nearly hitting my head on the windscreen. Any advise will be appreciated, thank you in advance.
My vehicle: 
2006 Citroen Berlingo Multispace Desire 1.6HDI
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#2
The 2.0 & 1.6 diesels have a different throttle setup.
What engine does your Berlingo have?
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#3
It's a 1.6hdi, sorry. I forgot to mention I replaced the airbox as the old one lost all the bushes and was rattly as hell. It must have been like this for ages and rubbed a little hole through egr valve cover. I sealed the hole with Tigerseal but not sure what it had done inside egr ie excessive gunking etc
My vehicle: 
2006 Citroen Berlingo Multispace Desire 1.6HDI
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#4
The 1.6Hdi has a position sensor in the throttle pedal, there were a few posts about changing that a while ago, I'm not exactly sure what the title of the thread was but a search should find it. The airbox rubbing on the EGR is fairly common too, have a search around for EGR problems & you'll find some options.
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#5
The rear lower engine mount (anti torque link) could be blown, that would cause this kind of behaviour.
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2017 B9 1.6 BlueHDi Van
2012 B9 1.6 HDi Van
2008 M59 1.6 HDi Van
2003 M59 1.9D Van
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#6
Thank you kindly. Bottom mount and the sensor both crossed my mind. I ordered the powerflex mount, as it's so much easier to install than oem. It does make sense as the engine is indeed very jumpy when pulling away, starting and switching off. If that doesn't help, I will then look into the position sensor. 

Would faulty egr not cause this then?
My vehicle: 
2006 Citroen Berlingo Multispace Desire 1.6HDI
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#7
Good choice on the Powerflex, I have the same behaviour when pulling away, starting and shutting down and plan to fit the same mounting bush kit. Red for Diesels.

If the EGR was faulty, you would get codes for emission control and "airflow not as expected". I've seen it cause lumpy smoky idle at cold startup but not altering the engine behaviour as it has no effect above idle. My old M59 had the issue with the EGR and was lumpy at idle when cold, but revved fine when the throttle was pressed. As soon as it warmed up even slightly, the lumpyness was gone. On my B9, this jumpy engine behaviour is worse when warm. (Heat affecting the OEM bush I'm sure, making it worse.)

You'd have to scan for codes to check this and may not see them with a generic scanner. The M59 doesn't show an EML lamp for these faults.
______________________
Current:
Not a Citroen!
______________________
Previous:
2017 B9 1.6 BlueHDi Van
2012 B9 1.6 HDi Van
2008 M59 1.6 HDi Van
2003 M59 1.9D Van
Reply
#8
Thanks! Yes, mine gets considerably worse once warm too. Bottom and top mounts scheduled for the weekend, weather permitting. Good news about the EGR, mune starts great when cold, no smoke.
My vehicle: 
2006 Citroen Berlingo Multispace Desire 1.6HDI
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