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davscer

VW Polo GTi Check Engine Light. Help.

17 posts in this topic

Hi all,

I have a 2001 Polo GTi. The Check Light Warning has come on once again.

The codes:

017935

017833

017911

Can you please tell me whats the problem with the car and whats need to be changed?

Another thing, its very difficult to start. You need to press the accelerator. After 2 seconds it starts to fire up and does a weird noise... The car jerks/shakes too when you start driving.

Much help appreciated.

Thanks.

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I would have a look on the Ross-Tech website and see what those codes relate to.

Normally along with the code there is a brief description of what the codes relates to.

From your brief description of the symptom my first guess would be a faulty coolant temp sensor

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Can I download it without connecting my Laptop to the Car connector? Where is this sensor located? Thanks.

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Can I download it without connecting my Laptop to the Car connector? Where is this sensor located? Thanks.

yes, you can connect to the website without having the laptop connected to the car.

here is the links to the fault code numbers

Category:Fault Codes - Ross-Tech Wiki

I don't know the exact locaqtion of the sensor on the Polo but it's normally in the cylinder head

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Thanks for the website.

I will try and figure it out which one it is as there are two.

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17935: Intake Camshaft Contr.Circ.,Bank1 Short to Ground

17833: Tank Vent.Valve Short to Ground

17911: Load signal from Alternator Term. DF Range/performance/Incorrect Signal

Code 17911, I replace the modulator of the Alternator. It seems to be break to normal from that point of view. The others I did not understand. I think the CTS needs to replaced as I have read about its job and mine does the same thing when I want to start it up.

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Camshaft Timing Sensor is quite a common fault as well so that's your first point.

17911 - possibly just needs cleared, if it's been a problem in the past and you've now fixed it

17833 - I wouln't worry about at the moment

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Which is the Camshaft Timing Sensor? The one which has a cylinder form or the other one, are these sensor both found on the cam cover?

Another thing please, where is the CTS located?

Edited by davscer
Added another question.

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Which is the Camshaft Timing Sensor? The one which has a cylinder form or the other one, are these sensor both found on the cam cover?

Another thing please, where is the CTS located?

I'm not familiar with the Polo engine but Camshaft sensor is normally on one side of the head.

On other VAG cars the CTS is located at teh front of the engine screwed into the head. Can't remember if it's 2 or 3 pin and it has either a green or a black top

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post-50384-137914481712_thumb.jpg

I have uploaded the top part where there are three sensors. There are two facing upwards and there is a single one which is green which is plugged in the head. Is the Camshaft Sensor one of them and CTS too?

Thanks.

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[ATTACH=CONFIG]45976[/ATTACH]

I have uploaded the top part where there are three sensors. There are two facing upwards and there is a single one which is green which is plugged in the head. Is the Camshaft Sensor one of them and CTS too?

Thanks.

Green one is the CTS.

I think the other 2 are camshaft timings sensors. Which one is faulty, you're guess is as good as mine.

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Haha. Cheers!

Thanks for everything.

Good Luck and let me know how you get on

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I changed the CTS. There was a slight improvment I must say but its still jerking and sort of choking, if you know what I mean... It gets better when you drive it and when the engine heats up to 90 degress. I am going to have a shot with the Cam Positioning Sensor. Not going to buy it new as its quite expensive. A second hand one could do the job.

I was reading lately, out of curosity, could it be the knock sensor?

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I changed the CTS. There was a slight improvment I must say but its still jerking and sort of choking, if you know what I mean... It gets better when you drive it and when the engine heats up to 90 degress. I am going to have a shot with the Cam Positioning Sensor. Not going to buy it new as its quite expensive. A second hand one could do the job.

I was reading lately, out of curosity, could it be the knock sensor?

It could be but I would have expected that to throw up a different error code

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