 How to check if your plugs are firing..., without removing them |
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| yarin |
 Apr 18 2006, 04:26 PM
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'14-X'in FOOL  Group: Members Posts: 988 Joined: 13-May 03 From: Guttenberg, NJ Member No.: 693 Region Association: North East States  |
While trying to figure out what could possibly be causing my injection issues with megasquirt I conducted a little experiment.
Using my timing light I clipped onto one of the spark plug wires and cranked the engine. Of course it flashed when that plug was fired. Then I moved to the suspect cylinder, guess what.. no flash. I pulled the plug and found it was fouled, totally black. I verified that it wouldnt spark by cranking the engine with the plug grounded. No spark. Changed the plug and Bingo.. spark and a flash from the timing light. Also useful when the engine is running too, i wish i thought of this earlier. Hopefully i'm on my way to converting my 2cyl type IV to a full 4 banger. Cheers (IMG:style_emoticons/default/clap56.gif) |
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Posts in this topic
yarin How to check if your plugs are firing... Apr 18 2006, 04:26 PM
lapuwali When I saw the title, I assumed this was going to ... Apr 18 2006, 04:36 PM
yarin   |
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