Search Results for ‘rich fuel mixture’

What I noticed: -CEL codes for all bank 1 cylinders misfire (at the same time) -Misfire stumble felt when easing of gas up a hill (low rpm/heavy load?) once every few days of driving, only when HOT. -Also occurs when hot after idling for a long time -Can be encouraged by pumping then releasing...

I have a 2010 3.8 Track, I recently replaced spark plugs, fuel injectors, fuel rails, ignition coils, O2 sensors, and plenum gasket. I originally replaced most of this to get rid of a misfire but now I have a rich condition. All Parts other than the fuel rail and plenum gasket were bought from...

I just bought this 2018 Hyundai Sonata Limited with a 2.4L 4 cylinder used with 22400 miles. The oil was changed before i bought it. I noticed that the crome exhaust tip has a black carbon like deposit on it. Is this an indicator that the engine may be burning oil? Or something else.