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Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) Everything related to the mechanical maintenance of the FR-S and BRZ


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Old 02-23-2021, 11:26 AM   #15
Dzmitry
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Originally Posted by gm5oh View Post
Issue resolved! It was the spark plug. Plug gap was also 0.29 instead of factory 0.32. The car runs smoothly now! Thanks for all your help guys.
Awesome! Did they come in a pack and one was that far off??
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Old 02-23-2021, 01:30 PM   #16
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That's interesting. Too wide a gap can cause misfires under load as the cylinder pressures increase to the point the coil can't generate enough ooooommph to jump the gap. I'm surprised that too narrow a gap (particularly .03" too narrow) could do that. Glad you got i resolved - that kind of problem can be maddening.
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Old 02-23-2021, 10:20 PM   #17
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Awesome! Did they come in a pack and one was that far off??
Yep, that's what happened. I ordered all four together initially.
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