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Simeon
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Joined: Mar 28, 2014
Posts: 30

PostPosted: Mon Jul 13, 2015 5:57 pm Reply with quote Back to top

Can someone give me a hand here? I'm trying to diagnose a fault code on my car since when I floor it in high revs for some seconds, the engine electronics light comes on in the dash and I then have very low and rough idle, around 200-300RPM. Sometimes when this happens there is a burnt smell for a few seconds.

To read fault codes on an pre-July 1988 Audi 80 you turn on the ignition, open the fuse box in the engine compartment and short-circuit a place for a fuse ontop of the fuel pump relay and then the engine light will flash in sequences. Funny but simple construction.

As I can read it out, the code is 2212, which is Throttle Position Sensor (TPS) fault or TPS circuit. Here's the guide (scroll down to page 7Cool: http://cx.podolsk.ru/xm/docum/Haynes...ault_Codes.pdf

And here's a video of me reviewing the code: https://www.youtube.com/watch?v=RcDUbtSpDGg

Let me know if you think my theory is right. Also, a link to a replacement part would be nice.


Last edited by Simeon on Sun Aug 02, 2015 7:43 pm; edited 1 time in total 
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Matt-Matt
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Joined: May 10, 2013
Posts: 228

PostPosted: Tue Jul 14, 2015 4:13 am Reply with quote Back to top

Simeon wrote:
Can someone give me a hand here? I'm trying to diagnose a fault code on my car since when I floor it in high revs for some seconds, the engine electronics light comes on in the dash and I then have very low and rough idle, around 200-300RPM. Sometimes when this happens there is a burnt smell for a few seconds.

To read fault codes on an pre-July 1988 Audi 80 you turn on the ignition, open the fuse box in the engine compartment and short-circuit a place for a fuse ontop of the fuel pump relay and then the engine light will flash in sequences. Funny but simple construction.

As I can read it out, the code is 2212, which is Throttle Position Sensor (TPS) fault or TPS circuit. Here's the guide (scroll down to page 7Cool: http://cx.podolsk.ru/xm/docum/Haynes...ault_Codes.pdf

And here's a video of me reviewing the code: https://www.youtube.com/watch?v=RcDUbtSpDGg

Let me know if you think my theory is right. Also, a link to a replacement part would be nice.


To me that's 2212 as well, assuming that you did it a few times in the video? (its a little confusing)

I have no idea about the 1.8 as I've only ever really gotten into V6's, you'd be best getting the part number off yours though so you get the exact same part as a replacement. Depending on where you are it may be just as cheap to go to Audi/VW
 
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Mikes2
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PostPosted: Tue Jul 14, 2015 7:39 am Reply with quote Back to top

same setup as one of my cars - using the slot in the fpr for fault code checking

Do you have your engine code ?

have you had a look at the throttle body itself. It may well be a sticking butterfly due to carbon buildup and just needs a clean.

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Simeon
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Joined: Mar 28, 2014
Posts: 30

PostPosted: Tue Jul 14, 2015 1:19 pm Reply with quote Back to top

Mikes2 wrote:
same setup as one of my cars - using the slot in the fpr for fault code checking

Do you have your engine code ?

have you had a look at the throttle body itself. It may well be a sticking butterfly due to carbon buildup and just needs a clean.

I think my engine code is PM. I will have a look at the throttle body and try to calibrate the gas pedal.
 
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Mikes2
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PostPosted: Tue Jul 14, 2015 1:52 pm Reply with quote Back to top

051 133 031 - seems to be a common part shared with VW cars so is readily available

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Simeon
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PostPosted: Sun Aug 02, 2015 7:18 pm Reply with quote Back to top

I have now replaced the TPS, but the original problem persists, low idle if I floor it. Now on the other hand, I have a new code; 2341, which is "Oxygen sensor (0s) control Inoperative" Does that mean that I need to replace the sensor and can it have an effect on the idling?
 
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Mikes2
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PostPosted: Sun Aug 02, 2015 10:38 pm Reply with quote Back to top

check the fuse and the wiring before swapping the lambda probe.

I'm guessing the problem gets worse as the car gets hotter ?

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Simeon
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PostPosted: Mon Aug 03, 2015 3:52 am Reply with quote Back to top

It doesn't really matter what temperature the engine is. Although I never floor it with a cold engine.
 
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