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Bad Ignition Coil?

garethpaul

By garethpaul,
in Corolla & Corolla Cross Club

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garethpaul Community Regular

garethpaul

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Hi Guys,

Trying to track down a slight miss on idle on my car. I'm slowly working my way through the obvious, and today I checked the ignition coil.

According to Haynes, the primary resistance should be 1.11 to 1.75 ohms when cold. This is for distributors with internal igniters which I am certain mine is.

The reading I got was actually 2.4 Ohms.

It's not a lot out, but would this difference cause any problems?

Oh, and the secondary resistance is within spec.

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  • 3 weeks later...
garethpaul Community Regular

garethpaul

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Sorry to bump this, but just in case anybody missed it - I am still looking for some knowedgable persons opinion on this.

Thanks, Gareth

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