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Spark plug diagnosisViews : 712 Replies : 7Users Viewing This Thread : |
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Jun 1st, 2021, 20:08 | #1 |
arcturus
Last Online: Today 07:16
Join Date: Mar 2006
Location: Sagres Portugal
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Spark plug diagnosis
Hi,Just returned from a 3,000 km road trip.Car never missed a beat. Checked the spark plugs when I got home and this is the result.The reddish coating seems powdery and as can be seen on the right hand one easily wiped off with my finger.What is your interpretation of this. I have been using what s left of my lead replacement additive just to gain a small octane boost.
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