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just got my s4 and already a check engine light after changing the oil

Old 07-10-2005, 05:44 PM
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Default just got my s4 and already a check engine light after changing the oil

well after changing the oil today, i started teh car and it threw a cel and said SERVICE! do you think it is due to a possible overfill? I am running an oil cooler as well and figured 7 quarts is fine but my friend suggested that i put more to compensate for the oil cooler.

first cel for me on the car so this is a tramatizing experience. any help will be appreciated. thanks.
Old 07-10-2005, 05:52 PM
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Default You're running a front mount oil cooler? Yes, you'll need more oil.

Add 0.25 qt at a time, until the dipstick reads full. It'll probably take an addt'l qt.

CEL is due to something else. Scan it to see what code it threw.
Old 07-10-2005, 06:19 PM
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Default Re: You're running a front mount oil cooler? Yes, you'll need more oil.

the idle is also rough since the oil change. im guessing the o2 sensors? and smell of rotting eggs is making me think the cats are busted too.

any input on this?

thanks.
Old 07-10-2005, 06:29 PM
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I would start gutting the cats!
Old 07-10-2005, 06:37 PM
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Default Re: I would start gutting the cats!

haha i was thinking that too but i have to pass CA smog test first. :/
Old 07-10-2005, 06:58 PM
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any other ideas besides using a vag?
Old 07-10-2005, 08:05 PM
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Default Take it to a shop and let them scan the codes.

Go to an auto parts store and purchase a generic code reader...that'll get you basic codes from the ECU. It's really not worth speculating, when the code will point you to exactly what needs fixing (usually).
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