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The mkiv Supra Owners Club

How to test coils, igniters, plugs and leads, properly


Chris Wilson

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An acquaintance has knocked this up "in his shed". The plug pressure vessel is charged to umpteen bar with nitrogen and he can test coils, igniters, plugs and leads at up to 20,000 RPM equivalent, and up to 5 bar boost pressure equivalent, and watch the coil waveforms on an oscilloscope. As an aside it terrifies small children and animals!

 

How cool is that?

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I can test them, it's a PITA as I am not set up for it, but I guess I could sort something. It wouldn't test plugs in a pressure vessel like that though. Plus he's in Oz.... With 2JZ and 1JZ coils I suggest you just reb=new with OE, as most are now cracked if you examine them closely. Igniters are pretty easy to test, on or off the car.

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