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Check Engine Light Problem - Car Lost Power *

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  #1  
Old 01-06-2012 | 07:56 PM
Arik.AudiS4's Avatar
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1st Gear
Joined: Jan 2012
Posts: 2
From: Las Vegas NV
Exclamation Check Engine Light Problem - Car Lost Power *
Hi,
I am new to this forum...Sorry to start with a problem...

My check engine light is on...and i get these codes

17866

P1458

Exhaust gas temperature sensor 2 short to ground



17584

P1176

O2 Correction Behind Catalyst,B1 Limit Attained



16816

P0432

Main Catalyst,Bank2 Efficiency Below Threshold

My car lost power...any ideas what these codes mean...what do i need to change to solve the check engine light problem?

Tnx in advance.
 
Last edited by Arik.AudiS4; 01-06-2012 at 09:33 PM.
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  #2  
Old 01-11-2012 | 10:59 PM
FonzoB5S4's Avatar
2nd Gear
Joined: May 2008
Posts: 951
From: Los Angeles, Ca
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post this up on audizine in the b5 s4/rs4 section. looks like you have a bad egt and rear 02 sensor.
 
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  #3  
Old 01-11-2012 | 11:13 PM
turbo kraut's Avatar
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Joined: Nov 2006
Posts: 5,868
From: Des Peres, Mo
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Would agree
 
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