What would carbon fouling on a plug look like?

Soft, black, sooty dry deposits on plug indicate carbon fouling. Carbon fouling is an indication of a rich air-fuel mixture, weak ignition, or improper heat range (too cold). Carbon deposits are conductive and can create a path for spark plug misfire.

How do you fix a carbon fouling plug?

Can You Clean a Carbon-Fouled Spark Plug?

Sandblasting – Using a machine that shoots sand out with a jet of air to scrape the carbon off the spark plugs.
Burning with a butane torch – Some DIY repairers have also shared that it’s possible to burn off the excess carbon with a butane torch.

Why are all spark plugs fouled on drivers side?

I was warming it up one morning and on the ground below the tailpipe was black soot everywhere. I decided to change the plugs and wires. I noticed that all the passenger side plugs looked great and the drivers side looked horrible and fouled. Even after changing to brand new plugs, the idle didn’t improve.

How is my 1994 S-10 4.3 running?

Starts fine, even today when it was -15, fuel pressure 52 running, holds after shut down, newer plugs/wires/cap rotor, tested MAP sensor and tests good, tested resistance changes in TPS (with sensor out) and changes were smooth along range, unplugged every sensor I could find individually looking for changes, no luck.

What causes a misfire on a 94 S-10?

Typically if the lower intake gasket leaks vacuum, it only affects one cylinder and causes a noticeable misfire all the time. On your engine, the ECM batch fires the injectors, it can not richen the mixture for individual cylinders.

What causes spark plugs to get wet and foul out?

According to AA1Car.com, this occurs when the spark plug fails to fire, or fouls out. This can be caused by a number of variables, such as engine flooding, or excessive moisture build up. Failed vehicle starting attempts eventually lead to wet spark plugs, according to E3 Spark Plugs.