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Discussion Starter · #1 · (Edited)
My engine running rich...

Hi!

Well, here`s the case:

Mapped and dynoed my N/A-T friday and made 624 rwhp at 1,7 bar on pump gas. Drove back from tuner, drove the whole day and went to a gas station and filled up the car, and drove to a friends house and parked.... When I wanted to go home, the car felt terrible and showing 9-10 on the afr at idle and 11-12 at cruising in 50 mph.....

I do not remember if the car felt different after I filled it on the gas station, but i know I filled on another station than the one I used during the dyno/mapping... there might be some difference on the fuel quality... But is that it? What might be wrong? vacuum leakage?

Please help!

Fred
 

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Discussion Starter · #3 ·
Thanks for inputs!
 
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