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I assume from your description of PCM code 43 that it is indicating an ignition coil problem. If the engine still runs well, clear the code and see if driving will cause the code to re-appear. If the code doesn't show up again, it may have been just an unexplained occurrance. If it does you may have an ignition coil going bad or some other problem in the area. If it says ignition coil it may just be something electrically connected to the ignition coil, like an intermittent short in a spark plug wire causing periodic excessive drain on the coil.

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โˆ™ 2005-10-12 04:43:45
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Q: What should you do with a PCM code 43 ignition coil if the car still starts up and runs fine?
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