ohmed glowplugs
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More Turbo
Joined: Nov 2012
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From: Chariton, IA
ohmed glowplugs
I ohmed out the glow plugs on my buddies truck and all the plugs on the passenger side showed 0 ohms but there was continuity. I've read you want them .5 to 2 ohms so does this mean they are bad. Thanks
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Joined: Sep 2011
Posts: 979
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From: Vancouver
Glow plugs can certainly fail in a shorted condition (which would result in 0 ohms reading with a selected range on the meter). But if that happens, the overcurrent device would operate and/or the glow plug relay would fail in a blown out open position. So you are correct to figure out whether the glow plugs are shorted as a first step, rather than replacing the relay or overcurrent device. Bad glow plugs can be difficult to remove if they have overheated.
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Joined: Nov 2012
Posts: 727
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From: Chariton, IA
Thanks, He did have 1 that was open but I think his no start was batteries. He took it in to napa and had them checked and one was only showing 440 amps. so he bought 2 and it started alot better.
Told him we need to pull vc off this summer and see whats up with the one showing open.
Told him we need to pull vc off this summer and see whats up with the one showing open.
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