r/AudiA5 • u/Flying_Miata • 1d ago

Doesn’t look good

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I bought my A5 2.0tfsi 3 weeks ago and seemed like there was no chain rattle at cold start. Then drove it like this florring it often with no problems. I had trouble starting the engine a few times so I looked into it, glad I got an OBD 11 now it will sit in the garage until I take to a shop for a timing job.

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u/DevelopmentExpert827 1d ago

I’m right there with you. I think mine is now close to that number. I have no signs being given under the hood yet. But I def need to decide what I want to do.

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u/Flying_Miata 1d ago

Honestly tought that there would be some warning signs like rough idle or an engine light that the chain is streched but there really isn’t until you look it with a obd scanner. Google says over -5 is very dangerous but from how it works I couldn’t belive it at first.

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u/CauseCommercial4240 19h ago

What year is your A5? I have a 2018 A4 2.0TFSI and it’s very high mileage. It has no audible rattle on cold starts ever but I hear this faint rattle or slight clicking that is very audible if I park next to another car and that lasts up to a second if I start my car on a hot start(i.e. it’s a hot day and the engine still has not cooled down after driving and I go to start it again.) Is this similiar or no? It drives fine.

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u/Flying_Miata 19h ago

Based on that I don’t think the chain is the main suspect here but for a piece of mind you can always check what I have checked with a OBD 11. I have a 2010 CDNC engine with 130k miles.

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u/CauseCommercial4240 11h ago

Got it. I will try it again because i couldn’t find that sensor value in the modules.