A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

Check Engine Light on After Oil Change

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Old Nov 1, 2006 | 05:25 AM
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Default Check Engine Light on After Oil Change

Hi All,

I just had my oil changed yesterday and within a couple hours, the light came on (and is still on). It was not done at a dealer, but I supplied the factory filter and crush washer. Any ideas?

FYI - I had them put in Pennzoil Platinum (full synthetic) 5W-30.
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Old Nov 1, 2006 | 05:40 AM
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Default That's why you should always change your own oil

It's not rocket science yet so many people come here with problems after letting someone else do it for them.

Pull the codes to find out why the check engine light is on.
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Old Nov 1, 2006 | 05:46 AM
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Would pinching the oil sensor bring up a cel or just an oil light?
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Old Nov 1, 2006 | 06:09 AM
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Default If I had time I would.

I know it's not rocket science, I do it all the time with my cars and bikes, but sometimes I don't have the luxury.

So how do I pull the codes?
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Old Nov 1, 2006 | 06:10 AM
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Default Re: Would pinching the oil sensor bring up a cel or just an oil light?

No clue. I'm new to Audi's.
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Old Nov 1, 2006 | 06:12 AM
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Default Mechanic or find someone local with a VAG-COM

I believe the generic code scanners will work but I'm not sure if they support all the modules in the car. Some local parts stores like autozone do this for free. They will most likely only give you a code number, but someone here should be able to look up the description for you.
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Old Nov 1, 2006 | 06:36 AM
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There are some oil pressure and temperature related OBD-II codes, so it is possible
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Old Nov 1, 2006 | 07:10 AM
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5w-30 in a V6? Good luck with that.
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Old Nov 1, 2006 | 07:13 AM
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Care to expand on that?
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Old Nov 1, 2006 | 10:57 AM
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IIRC, when the oil light came on in an A6 2.8 30v loaner car, the manual said to use 5w30 ::shrugs::
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