Rough idle. Rough at lower rpms. Exhaust smells worse then normal. HELP!

[j2z1]

So I'm having a few issues. Running an Apr k04. I ordered accel u grove 0111 spark plugs. Oil seems fine. What could be my problem. Am I getting oil in my exhaust? Also my pre cat o2 sensor is bad which I'm replacing on Monday.
I would appreciate any recommendations, thanks in advance
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[Do Work Son]

If your O2 sensor is bad then your mixture is probably fucked because the computer doesn't know what's being burnt.

 

[j2z1]

Tbh I've been running a bad o2 for like 3 months. But it's got worse after my 200 mile trip.

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[6TI]

I plan on going k04 down the road, but for such a new car like yours it's a shame you void the warranty I would have waited at least another 2 years

 

[j2z1]

I know a vw tech and I can always put it back to stock. I'm young and I didn't have s5 money only used a5 or new gti money.

You only live one life. Might as well get crazy. And I want to go fast lol

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[mattley crue1]

I plan on going k04 down the road, but for such a new car like yours it's a shame you void the warranty I would have waited at least another 2 years

I'm allergic to warranties... My car is probably only covered for electrical...

 

[EJBGTIVI]

Could be a bad coil pack. Did you get a CEL?

 

[j2z1]

Only 0030 which is for bad o2

 

[Travis.rudd]

Try posting in the k04 thread, they might have more ideas

 

[j2z1]

Fixed didn't need plugs was just a bad o2

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