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Old 09-16-2006, 01:48 PM
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Revo Eater
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Default RE: Newbie Question: How Can I Tell When a Glow Plug Is Burnt Out?
The easiest way to tell is warm the engine up. Put the glow plug ignitor on the plug at idle for a few seconds. When you remove the ignitor the rpm's should remain the same, if they drop the glow plug needs replaced.
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