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Rough idle on Legacy 91


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3 replies to this topic

#1 tothetune

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Posted 04 July 2004 - 11:58 PM

This car idles really rough. Did the plugs and wires, recent O2 sensor, filters. I was looking at the engine in the dark to see if any arcing occurs with the plug wires, and I noticed a lot of arcing coming from inside the ignition coil area, on the top of the engine where the plug wires attach to. Now this is a distributorless system, I believe, uses electronic ignition. Is it normal to see this arcing? Thanks for any feedback you could offer.

#2 DerFahrer

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Posted 05 July 2004 - 12:27 AM

You probably need a new coilpack. I personally am anal-retentive about my car, so I would just get a brand-new coilpack, about $80. Make sure you get a Diamond one, they put out more spark.

#3 tothetune

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Posted 05 July 2004 - 01:15 AM

Thanks for the reply. I take it there shouldn't be any arcing inside there, no moving parts right? Local dealer might have this item or can order it in.

You probably need a new coilpack. I personally am anal-retentive about my car, so I would just get a brand-new coilpack, about $80. Make sure you get a Diamond one, they put out more spark.



#4 DerFahrer

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Posted 05 July 2004 - 12:35 PM

No there definitely should not be any arcing. No moving parts.




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