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Buck R
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Hi all. I have a 1999 Black Stagea rs four s series 2 manual with the NEO 6 engine. Has been great for the last 5 years. I have just started having a problem with the engine check light coming on.

I had it checked out and the O2 sensor was replaced. Now the light only comes on just after the auto chock cuts off. If I stop and restart the engine the light does not come back on. Has anyone had

similar problems and if so what was the fix ?

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I have a 2000 RS4 Tiptronic that recently had a similar fault at idle and sometimes whilst driving, the engine would noticeably miss and at the same time the engine check light would come on; this progressed over a two week period and eventually it would do it around the same period of time as you describe. I had two different mechanics run their scanner on the diagnostic port and they both came up with the same fault which from memory was "Primary ignition circuit" in other words the coil packs were breaking down. This may or may not be related to your problem but it seemed to be heat related as when the "choke" cut off i.e. the engine had warmed up, the coil packs played up.I replaced the coil packs with Splitfires from JustJap and the spark plugs while I was in there and haven't had a problem since. The coil packs are a known problem with these engines. good luck, keep us posted.

Regards Craig

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