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How can i tellif a glow plug is bad?

Updated: 10/22/2022
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11y ago

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well if you have a code for the glow plug circuit then you may or may not have a glow plug issue. Could be wiring or relay or the controller. If all is ok glow plugs typically have 0.05-0.08 ohms of resistance when bench tested out of vehicle. Good luck hope this helps.

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Q: How can i tellif a glow plug is bad?
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