Question Glow Plugs corroded or burnt looking

huntman12

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Hey all! My glow plugs are all corroded looking up top. They seem to be working ok. Do you guys think its possible they stay on while running? How do I check them. The truck starts right up every morning.
 

DaveBen

SDD Senior Member
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You can ohm them out. You should get more that .5 ohms between the ground and the pin. They won't stay on after the truck is running. If they did they would be burned to a crisp.

Dave
 

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