What Causes Ignition Coils to Go Bad?

Answer

Ignition coils are often subject to high amounts of voltage in short amounts of time. Like any mechanical part, wear and tire degrades their quality over time. Sudden heat or cold can cause them to crack, too.
Q&A Related to "What Causes Ignition Coils to Go Bad?"
bad inition wires and plugs. Common problem for C.O.P. (coil on plug) Ford in the early 2000's.
http://wiki.answers.com/Q/What_would_make_your_ign...
Cars with engines in the front benefit from cooling air passing through the engine compartment. Fiero radiators and cooling fans are mounted in front to take advantage of air flow
http://www.ehow.com/info_12246361_causes-ignition-...
don't forget a short in the ignition switch, the car will turn over but never fire. If you hook wire from the + terminal on your battery to the + wire of the coil and the car starts
http://answers.yahoo.com/question/index?qid=200705...
Mechanically or electrically?T The belt tension was too tight and caused the alt bearings to fail early. You jumped it off with revesed battery ca.
http://wiki.answers.com/Q/What_would_cause_an_alte...
2 Additional Answers
The main things that can cause ignition coils to go bad is, heat, and moisture. When they start going bad, your car will have a miss, and you will need to take it to a local auto parts store for a replacement.
There are several reasons an ignition coil could go bad. Constant use over time, they can crack in extreme heat or cold, bad spark plugs, poor isolation and some may just be faulty coils.
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