D15B Vtec raw gas smell from exhaust


my eg8 d15b jdm vtec fuel economy getting low and raw gas smell from exhaust.
no check engine light. and i hear some leaking noise from middle of the exhaust.
what is the issue.


I had a Civic once.
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Does the CEL work?

Sounds like you've mostly answered your own question... you have a fuel leak somewhere. Likely not from the exhaust as it wouldn't be raw fuel. Jack the car up and look for leaks.