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Location: Stevenage
Car Model/Spec: '01 HDi DTurbo
HDi, ProSteve map, de-egr'd (blanked & unplugged) otherwise standard.
The car has started doing this little hesitation thing, where it will feel almost like a missfire jolting forwards in pulsing bursts, around 2000-ish rpm when pootling around town @ 30 ish.
What could that be?
Car is overdue a service which I'm carrying out this weekend (hopefully) I wondered if there were any sensors I could clean at the same time?
Disclaimer: The above is not to be taken to heart and is probably a joke, grow up you big girl.
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Location: Bedford
Car Model/Spec: HDi Estate
In the guides section there is a good FAQ for this.
TPS or FPS I recall are the first points to look at.
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Location: Rugby, Warwickshire
Car Model/Spec: Golf 7 GTD : LBSC Rallye
Has the idle risen at all? Clean your TPS plug.
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HDi Owner for 200k/9 years
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Location: Stevenage
Car Model/Spec: '01 HDi DTurbo
Idle seems indifferent.
I'll look in the FAQ...Guessing the TPS is on the throttle butterfly like it is on a petrol?
Disclaimer: The above is not to be taken to heart and is probably a joke, grow up you big girl.
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Location: Buckingham
Car Model/Spec: MG ZS180
I need to sort mine out to, doesn't like driving at 30 in 3rd.
The sensor is on the part where the end of the cable attaches to by the airbox I'm guessing.
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Location: Dunstable
Car Model/Spec: 306 HDI Dturbo, Estate & GTI6
If the car has a doser (2001 and newer) and that isn't disconnected that would cause the same symptom especially if the EGR is disabled.
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Location: Southampton
Car Model/Spec: 306 HDi and friends
Could do if he didn't ask Steve to map it out.
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Location: Stevenage
Car Model/Spec: '01 HDi DTurbo
It is 2001 Y-reg. WTF is an air-doser?
Sorry for the Noob-ish response!
Disclaimer: The above is not to be taken to heart and is probably a joke, grow up you big girl.
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Location: Dunstable
Car Model/Spec: 306 HDI Dturbo, Estate & GTI6
09-08-2013, 12:32 PM
(This post was last modified: 09-08-2013, 12:33 PM by DeeTurbo.)
On the 2001 and newer the doser is fitted to the bottom of the elbow that bolts to the inlet manifold.
The doser is like a throttle butterfly but it only close at idle so more exhaust gasses can be sucked into the engine.
If it goes faulty it can close by its self causing the car to bog down and even stall.
There is a vacuum solenoid near the egr one that controls it.
On my girlfriends 206 HDI I've removed the doser and replaced it with one from Toms car because the doser it's self is a bit restrictive.
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Location: Stevenage
Car Model/Spec: '01 HDi DTurbo
Ah I see. Does anyone have a photograph so I can see what I'm looking for?
Disclaimer: The above is not to be taken to heart and is probably a joke, grow up you big girl.
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09-08-2013, 05:03 PM
(This post was last modified: 09-08-2013, 05:05 PM by DeeTurbo.)
Have a look in the guide section for the egr and it'll show you the vacuum solenoid pipe that needs blocking off.
Just thought did you unplug the egr solenoid plug before up loading the map?
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To the best of my knowledge, the air-doser and egr work in conjunction under low-load, cruising conditions, hence you getting the jerkiness at about 2000rpm and partial throttle.
