Search Results for ‘emissions system’

So my 2003 Elantra has been getting horrible gas mileage, running super rich. I had a constant P0420 catalytic emissions code and one misfire reading. I'd clear it and it'd go away for about an hour and come back. I feared I would have to replace my whole exhaust manifold/cat part until I read...

Hello everyone, this is my first post so please be gentle. My MIL has been on for a few months since a gas attendant overfilled my tank. I checked the code which read "Incorrect Purge Flow" in Evap. Emissions System. I have replaced the gas cap, purge and vent canisters, even the charcoal...