Need help please...
4EFE engine 1300CC.
TB is with old style Wax valve.
Engine RPM was not stable, so the mechanic closed the air vents with Magic Epoxy.
Severe instability is resolved but engine is not running perfect.
Engine is running extremely rich.
Jerking, hesitation, unpredictable behavior. Suddenly goes underpower.
I can smell petrol when start the engine.
Spark plugs gets black.
You can smell the petrol from exhaust muffler.
Mileage is very low.