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The mkiv Supra Owners Club

Iridium spark plugs


si wants supra
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IK 22 should be fine - any misiring then go to IK 24.

Yup, don't adjust the electrode. If the car is running ok then no need to take them out. How are your camcover gaskets like? If it's slightly weepy you may get slight oil contamination so you may want to clean them if that is the case. Not sure about torque. 'a bit of a turn' till they are seated firm is ok!

 

Have you taken the spark plugs out before? can be a little fiddly - becareful of the coil pack clips as they tend to be fragile

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