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Octane Question's???

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Old Feb 4, 2010 | 02:24 PM
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Chewster's Avatar
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Default Octane Question's???
I just bought a 2001 Audi A4 1.8T Quantro and I filled it up with regular gas and the check engine light came on. Would this normally happen??? and what should I do now?? What gas should go in it??
 
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Old Feb 4, 2010 | 02:29 PM
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You can get the codes scanned at autozone or some place and they can tell you what's wrong. You should fill up with 91 or better
 
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Old Feb 4, 2010 | 02:51 PM
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OK so do I need to flush the old Gas out?? Audi told me over the phone that is why the check engine light came on but I will get the codes read as well after work...
 
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Old Feb 4, 2010 | 02:58 PM
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if your gonna put cheap gas us mid
 
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Old Feb 4, 2010 | 03:04 PM
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Not trying to use cheap gas guess I just didnt know...
 
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Old Feb 4, 2010 | 03:06 PM
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Your check engine light came on because you put to low of an octane in the car. It will run like crap. The 1.8T takes 91-93 Octane, aka PREMIUM pal.
 
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Old Feb 4, 2010 | 03:09 PM
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i only run 93
 
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Old Feb 4, 2010 | 03:10 PM
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Should I drain the gas out or put a booster in or something??
 
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Old Feb 4, 2010 | 04:31 PM
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Just run it out, it won't kill the car. Or run it to half full and go get 91-93.

I switched from 92 to 93 recently, no real difference.
 
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Old Feb 4, 2010 | 04:36 PM
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you can leave it just put 93 in when you get to half way or somthing
 
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