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Discussion Starter · #1 ·
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Hi Everyone

So I’m having an issue with my Audi A5 TFSI Sport (2010) (2L) (180BHP). 92k on the mileage.

A few weeks back I was driving it all day, parked it up, and then went to drive it again later on and the car wouldn’t start with ease, I then had to hold the fob down and clutch for an additional 3-5 seconds than normal before the car was able to start. The car had lost power, was cutting out in first gear and really struggled. Engine Management light was constantly on.

I had it diagnosed at a mechanics and this error code appeared:

P001600 - Crankshaft Position, Camshaft Position Correlation Bank 1, Sensor A

The mechanic didn’t seem too sure what the error could definitely be; the camshaft sensor, crankshaft sensor or maybe an issue with my timing chain. So I decided to take the car away and do some research as the quotes I was given for a job that wasn’t confirmed to be the issue seemed a bit of a waste if it wasn’t the direct fix.

So after some research I decided to take the camshaft sensor out, take the part code down and order a new OEM part to replace it. I replaced the camshaft…no fix, the car still struggled to turn on, EML was still showing and as the car had now been parked up for 2 weeks it felt even more sluggish naturally. I let it sit to see if anything else would change, nothing.

So back to the drawing board I decide to replace the crankshaft sensor which was in an odd position of its own. I took out the crankshaft sensor, ordered a Delphi Sensor SS11319 as it correlated with the part code, fitted it today, started the car and the same issue occurred, this time with a bit more of a knocking sound from the engine initially before it quietened down.

At this point I’m a bit stuck with what to do, the vehicle is quite old and has a high mileage, I could take it to Audi to do a diagnostic and health check but they’ve advised it’s £160 for the diagnostic then anything else that needs replacing ontop, and with the vehicle already struggling to drive I’m worried of taking it to Audi, being quoted a ridiculous price for the fix and then being stuck trying to either get the vehicle out of there or having to fork out a fortune.

I’m aware this can be quite a common issue for these vehicles with age, but I just wanted to see if anyone has any knowledge, fixes or where to go from here.

I haven’t cleared any of the error codes since replacing both the camshaft and crankshaft sensor as I don’t have the diagnostic tools available , and so could this be affecting the car still believing the issue is present?

I’m just trying to think of all plausible fixes at this point, I’ve attached a photo of the diagnostic code, I have some more images of me replacing both sensors if required. Any suggestions?

Thanks

Aaron
 

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Are you sure it's not the timing chain/tensioner? If it's never been used, the chances of those failing for your model year is VERY high.
 

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Get the codes cleared and see if them come back. Where are you based maybe find a local member with VCDS
 

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Mate first purchase is any of the VCDS systems, they will pay for themselves after 1 diagnosis. Or even a Carly system, I have both. You must clear the codes, otherwise the ECU assumes that you still have the same problem!!! Only when you clear these error codes you can start work as otherwise you are er wasting time and money!!!
 

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Discussion Starter · #6 ·
Hi all,

firstly thank you all for your help, it’s really narrowed down the issues.

i bought a diagnostic tool, cleared the codes etc. and started up the car again. The engine management light was still showing, but like many of you suggested the timing Chain/tensioner is likely the issue. I’ve done a little more research and decided to book it into a mechanic to have the timing chain, water pump and oil changed again, as I believe what might have contributed to the timing going (and the cars age/mileage at 94k) is the oil in the car being the wrong mix.

I’m 90% sure at this point it’s likely the timing chain/tensioner as I’ve seen the same issue reoccurring with this this model year and engine after a while on a few different forums.

I currently have a quote for £760 to replace the timing chain kit & water pump.
Another mechanic asked for £1300 😳

Two more bits of advice I’d like are:

1) What is the difference between a timing chain and the tensioner, are they one or separate?

2) I know this is a costly job but does anyone have any price ranges they think are suitable for a job of this nature?

Thanks
Aaron
 

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The chain and the tensioner are separate items. The tensioner is circled in white in the screenshot below, while the timing chain is the long one that goes to the top of the engine, where the cam shaft it. The orange bits are the plastic chain guides that become brittle as they age and are recommended to change it at the same time.

In the USA, the cost is about $1000+ for the chain and tensioner replacement. Differences in price could come from 1) labor rate, 2) the quality of the replacement parts (genuine Audi $$$ -> no name China $), 3) the parts replaced (tensioner, chain, guides)

For my budget, I usually stick with either genuine Audi or a real OEM (i.e. manufacturer that made the part for Audi), and never a no-name brand. If I were you, I would verify with the mechanics which parts are replaced and the make of the replacement parts. You will have a better idea why the prices vary so different.

Please note that VW/Audi produces a huge amount of VW/Audi's in China, so relying solely on country of origin for quality is not reliable.

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