VW Polo 3 (6n2) - Fault: 17559

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bpjl
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Joined: Fri Jun 21, 2019 6:28 pm
Drives: VW Polo 3 (6n2), 2000, 1.4, 75KM
Location: Katowice, Poland

VW Polo 3 (6n2) - Fault: 17559

Post by bpjl »

Hey.

Some time ago (rather longer than shorter) in my VW Polo 3 (6n2, 1.4, 75KM, 2000) Check Engine was lit. I used the simplest interface and (without thinking) removed the error. I did not wait too long for Check Engine to shine again. Then I decided to get interested more. Here is the error:

Code: Select all

1 Fault Found: 
17559 -  Long Term Fuel Trim Additive Air; Bank 1; Range 1: System too Lean 
        P1151 - 35-10 -   - - Intermittent
I know that the reasons may be the whole list, but most of the internet indicates a lambda probe. Can anyone explain to me how to diagnose such a probe (and maybe even probes) using VCDS connected to my Polo?
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937carrera
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Joined: Sat May 17, 2014 8:19 am
Drives: 2000 Polo GTi
Location: North Yorkshire

Re: VW Polo 3 (6n2) - Fault: 17559

Post by 937carrera »

You can test the performance by using VCDS and going through a test cycle which I remembered was activated by pressing the brake pedal

Take a look here and then you can do some more reading with pre knowledge :)

https://www.briskoda.net/forums/topic/3 ... ing-tests/

https://www.ross-tech.com/vag-com/m_blocks/030-049.html

After I did the tests I think I ended up replacing the lambda sensor (proper Bosch one) and all was good
dipstr
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Joined: Wed Sep 23, 2015 1:41 am
Drives: 6n2 gti

Re: VW Polo 3 (6n2) - Fault: 17559

Post by dipstr »

Check the lambda probe multiplug. Very common for the wiring to break. It is the one connected to exhaust manifold. The multi plug connector is in a housing by the gearbox

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