Ignition is usually the easiest of the three to check because on most engines, all you have to do is pull off a plug wire and check for spark when the engine is cranked. On coil-over-plug DIS systems, there are no plug wires so you have to remove a coil and use a plug wire or adapter to check for a spark.
Stress can affect every part of your body. muscle aches, head aches, how your hair grows, the texture of your skin, it can affect your menstrual cycle.
When the body experiences a stress response and/or is overly stressed, however, a number of conditions change, including: 1  The bodyâs muscles become tighter (stress hormones cause muscles to tighten). 2  The electrical activity in the brain increases. 3  The nervous system behaves more involuntarily and erratic.