See also:

Checking the Battery
WARNING: Batteries can be dangerous! When working with batteries, carefully observe the following precautions to avoid serious injuries. The fluid in the battery contains a strong solution of su ...

Vacuum, Crankcase Ventilation Hoses
Inspect the surface of hoses for evidence of heat and/or mechanical damage. Hard and brittle rubber, cracking, tears, cuts, abrasions, and excessive swelling indicate deterioration. Particular att ...

Check spark plugs and ignition system
Inspect your spark plugs as described in section 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...