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If your SAI pump was going to fail...mine has been doing the bad whine for almost

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Old 01-31-2008, 11:34 AM
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Default If your SAI pump was going to fail...mine has been doing the bad whine for almost

a year, now it seems like it doesn't always come on and it has been very, very cold...consequently the oil temp reading is coming up slower than usual. Question: Will I throw a code when the SAI really gives up or what other symptoms will present themselves...I STFA and most just talk about it whining and then it is dead but not what happens in between and if anyone has it run intermittantly? TIA allroad braintrust
Old 01-31-2008, 12:15 PM
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mine threw a code and was replaced underwarranty. But it never whined....?
Old 01-31-2008, 12:23 PM
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I think I understand that it throws a code from prior comments. Ex (or C5 A6 board) can confirm.
Old 01-31-2008, 02:06 PM
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Default During startup if the O2 levels are correct then the CPU assumes the

SAI isn't working properly and throws a check code.
Old 01-31-2008, 03:56 PM
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My SAI pump does not come on also when it's very cold. I thought this is normal?
Old 01-31-2008, 04:18 PM
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Default Ok, here's a dumb question when you say code does it throw a CEL or simply something

you would read with VAG-COM...I know that you can read CEL codes with VAG, but I also know you can scan the car and there are sometimes codes that don't appear as CEL? TIA
Old 01-31-2008, 04:40 PM
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Default Re: Ok, here's a dumb question when you say code does it throw a CEL or simply something

There are soft codes and had codes. Soft codes will log in memory but not trigger the check engine light. Some soft codes can mount up to trigger the light. Once your SAI stops doing it's job a check engine light will occur(hard code). I'm not sure if the SAI will log x errors before posting, or post hard on the first event
Old 01-31-2008, 05:05 PM
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Thx I'll keep an eye out and get someone to scan if I get a chance soon.
Old 01-31-2008, 06:01 PM
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I'd be happy to scan you, girl, if you wanna drive to motown - my first grandma scan, LOL!
Old 01-31-2008, 06:35 PM
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Yes it sets a "secondary air insuffecient" code


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