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3. Reged: 09/01/2010 Posts: 7 Re: Audi 4.2 V8 big fuel consumption, other questions. [re: Silver Poom]       25/04/2010 15:58 Edit   Reply   bad coolant sensor on back of right cylinder head will cause bad gas mileage. Use uses this sensor to enrich fuel during cold start up. If the ecu thinks the car is still cold due to faulty sensor, is will continue to enrich fuel even while warm. This is what cause poor mileage. I always change this sensor when I do the o2 sensor. Allan Post Extras

Entire thread Subject Posted by Posted on Audi 4.2 V8 big fuel consumption, other questions. Silver Poom 22/01/2010 10:43 Re: Audi 4.2 V8 big fuel consumption, other questions. 32vquattro AudiAl   25/04/2010 15:58 Re: Audi 4.2 V8 big fuel consumption, other questions. Bastian P.   23/01/2010 00:42 Re: Audi 4.2 V8 big fuel consumption, other questions. Silver Poom   23/01/2010 10:17 Re: Audi 4.2 V8 big fuel consumption, other questions. Silver Poom   23/01/2010 23:38 Re: Audi 4.2 V8 big fuel consumption, other questions. Bastian P.   23/01/2010 23:44 Re: Audi 4.2 V8 big fuel consumption, other questions. Silver Poom   25/01/2010 14:22 Re: Audi 4.2 V8 big fuel consumption, other questions. Bastian P.   25/01/2010 14:44 Re: Audi 4.2 V8 big fuel consumption, other questions. Silver Poom   26/01/2010 09:20 Re: Audi 4.2 V8 big fuel consumption, other questions. Martin A.   06/04/2010 23:58

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