Most Recent Video. This standard picnic table is made unique in the easy to build instructions. Featuring ample seating and a sturdy top, paint yours a bold bright color to brighten up any outdoor (or indoor) space. Special thanks to our readers for sharing their photos.
Step 18 - Each intake and exhaust valve utilizes a spring which will return the valve to its original position (closed). If a valve spring has broken or a cam lobe has worn down, it will cause the engine to misfire and run rough due to the loss of compression.
The excessive vibrations can cause engine mounting eventually to fail. Extreme cases of oil fouling can cause hard starting, engine stalling and ignition coil failure. The ignition coil is connected to spark plugs by high-tension wires and sends surges of electricity to fire the plugs. Oil-fouled plugs send the surges back to the ignition coil instead of its normal path.