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AudiDoc
AudiDoc, Independent Audi Shop Owner
Category: Audi
Satisfied Customers: 6456
Experience:  I've been working on Audis since I was 18 and own an independent Audi repair and performance shop
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Audi Allroad Quattro: hello I have audi 2004 2.7 t all rod

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hello I have audi 2004 2.7 t all rod with the check engine light on,(17526-O2 sensor heating bank 1 sensor 2 open circuit p1118)(17522-O2 sensor bank 1 sensor internal resistance too high p1114)(16684-random 1 multiple cylinder misfire detected po300)(16689 cylinder 5 misfire detected po305) and the last code is (18010- power supply terminal 30 voltage too low p1602

AudiDoc :

Hello, I'm Jason. I will do my best to answer your question quickly and accurately using the information you have provided.

AudiDoc :

Looking things up for you now

AudiDoc :

Ok, replace the right rear o2 sensor to start with.

AudiDoc :

For the misfires, if coils and plugs have not been changed in 30k miles, replace them

AudiDoc :

Now, this is very important....

AudiDoc :

ONLY use coils directly from the dealer. No Autozone, no Beck Arnley, no Advance. Dealer only, and they'll be cheaper there anyway at $22 each

AudiDoc :

Plugs: ONLY use NGK PFR6Q, or plugs from a dealer

AudiDoc :

Lastly, I wouldn't be overly concerned about the 18010 code. Clear it all when you're done, and you should be in good shape

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