Do I need to replace coil???

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  #1  
Old 09-01-04, 03:31 PM
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Do I need to replace coil???

I am doing a tune-up on a 1999 Pontiac Sunfire 2.2L with a/c. Instead of a cap and rotor - there is a coil that replaces these items. The car has a 111,000 miles on it. Should I replace the coil as part of the tune-up? Besides a mechanic, is there anyway to know if this coil is still firing? Thanks!
 
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Old 09-01-04, 03:34 PM
Davejb's Avatar
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If it wasn't firing your car wouldn't run. Coils are generally not included items in a tune up.
 
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Old 09-01-04, 03:47 PM
KurtDixon
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Nope, you shouldn't need to replace the coil. It doesn't "wear" out. It either works or it doesn't (however it can start to fail when hot or be inconsistant).
If it was going bad, you would notice warm engine misfire/stalling.
 
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Old 09-01-04, 04:33 PM
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You can test it with an ohmmeter. There are specs available for the primary and secondary windings. That's a good barometer on how powerful the coil still is.
 
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