I had a glow plug fault recently which had the usual symptoms: glow plug indicator light stays on after start up, and CEL.

I identified GP #6, by the firewall as being completely open and replaced it. My bad: I picked an NGK GP instead of the usual Bosch.

I'm getting 7 ohms on all plugs and this one gives me 12 ohms, and my GP light will still not turn off. Or I should say, with some cranks it will turn off and with most it will not.

Is this a predictable outcome, or would a 12 ohm resistance cause this?

Thanks,

Chuck

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1982 300D, anthracite grey, 260k miles, Greasecar
1999 E300D, black, 160k miles, Greasecar
2010 Honda Insight Hybrid
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