Throttle sticking?

[bogdac]

First post guys,so please be kind i have a TSI 95 se. which I took possession of in June. My problem is this, the car drives fine in almost every respect except that sometimes(mainly at low speed) when I take my foot off the throttle pedal the car actually accelerates slightly instead of slowing down. Can you tell me if this is a known problem or whether i am at fault in any way?

[Adam_013]

First post guys,so please be kind i have a TSI 95 se. which I took possession of in June. My problem is this, the car drives fine in almost every respect except that sometimes(mainly at low speed) when I take my foot off the throttle pedal the car actually accelerates slightly instead of slowing down. Can you tell me if this is a known problem or whether i am at fault in any way?

Depends on RPM, the car will always try to be at or just above idle. So if your at 1000rpm in 2nd it won't slow down any more.

Otherwise I'd say there is a fault

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[Andy Beats]

Agree with Adam.
Assuming you're not expecting the car to go lower than 1000rpm in a gear, it's a problem.
A Mazda 2 diesel I owned had a similar problem, in that when you lifted your foot of the throttle it 'ran on' at the same speed for a second or two.
Didn't accelerate, just didn't slow down either.
Very disconcerting and annoying, the garage acknowledged it wasn't right but, as there wasn't a fault code logging in the computer, they couldn't/wouldn't fix it.

[bogdac]

Many thanks for confirming my fears. I'll give the dealer a call in the morning.

[silverhairs]

Have you given any thought that it could be the throttle sensor??

[bogdac]

without wishing to sound ignorant, how do I check that?

[Andy Beats]

without wishing to sound ignorant, how do I check that?

You can't, you'll need the dealer to check for a fault code.

[bogdac]

OK thanks.

[Andy Beats]

OK thanks.

If no fault code, ask for a test drive with a mechanic.
Hopefully he can replicate the issue and it's not your driving (no offence).

[bogdac]

OK thanks.

If no fault code, ask for a test drive with a mechanic.
Hopefully he can replicate the issue and it's not your driving (no offence).

None taken

[Leif]

Mine will actually speed up to a constant cruising speed in fourth or fifth, on a flat, I’ve assumed the ECU likes to prevent stalling or labouring the engine. S’not a problem IMO.

[Andy Beats]

Mine will actually speed up to a constant cruising speed in fourth or fifth, on a flat, I’ve assumed the ECU likes to prevent stalling or labouring the engine. S’not a problem IMO.

If the ECU is taking over, you evidently are in too high a gear.....

[Adam_013]

Mine will actually speed up to a constant cruising speed in fourth or fifth, on a flat, I’ve assumed the ECU likes to prevent stalling or labouring the engine. S’not a problem IMO.

If the ECU is taking over, you evidently are in too high a gear.....

It'll so 30 in 5th... Just, I do just because it saves having to press the accelerator. The 'drive blue' guide says to as well[emoji106]

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[Andy Beats]

It'll so 30 in 5th... Just, I do just because it saves having to press the accelerator. The 'drive blue' guide says to as well[emoji106]

I see you're in East Anglia, which I think is very flat?
I wouldn't get away with leaving my car in 5th at 30mph for very long here, even a gentle gradient would have the engine bouncing off its mountings.

[Adam_013]

It'll so 30 in 5th... Just, I do just because it saves having to press the accelerator. The 'drive blue' guide says to as well[emoji106]

I see you're in East Anglia, which I think is very flat?
I wouldn't get away with leaving my car in 5th at 30mph for very long here, even a gentle gradient would have the engine bouncing off its mountings.

A fair enough, in all honesty it doesn't exactly like it, but will do it. The smallest incline will soon unsettle it mind.

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