Quote:
Originally Posted by 504
It's a cone K&n filter sitting inside bumper. I've custom made an enclosure for it, doubt it's the filter to be honest, it's a high flow arrangement
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I'm just wondering if it's dirty. Rich conditions on many cars can often be due to a dirty air filter. Not enough air flow for the fuel to burn cleanly. Your ECU sees that and tries to compensate by reducing the amount of fuel. You're turbocharged also, so you're pulling more air through that filter, it's going to clog up faster.
When was the last time you checked and/or cleaned it?