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Jim Grant Tech Tips Jim Grant Tech Tips
A collection of helpful articles based on reader submissions
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  Jim Grant's Tech TipsJim Grant's Tech Tips
Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
If you have any questions, please feel free to email us.
 
 

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  Jim Grant's Tech Tips

'99 Lincoln Continental, Ignition Coil Problems

Q: I own a ‘99 Lincoln Continental, I believe that one or more of the ignition coils are breaking down but I don't know how to tell which one(s). I used a multimeter to check them against a known good (new) one but the readings are all very close. How do I isolate the bad actor(s).... Roy

A: The easiest way? Connect a computer scan tool to the computer and watch the misfire monitor information from the computer. Each time a cylinder misfires the computer makes a note of it. It’s a real fast way to pin down which cylinder has the problem. If the ignition coil is acting up enough the computer will turn on the check engine light and there will be a diagnostic trouble code in the computer that will flag the offending cylinder. There are other means, but if you don’t know what you’re doing you can get yourself in trouble pretty quick.

 
     
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