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Off-Topic Discussion
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Spark Plug Changes
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<blockquote data-quote="FJRMGM" data-source="post: 321845" data-attributes="member: 164"><p>First, my name is not Jestal.</p><p></p><p>I had 30k miles on the iridiums in my '05 FJR and when I took them out to replace they looked almost new.</p><p></p><p>Since I had them out already I replaced but this set will go at least 40k before replacing.</p><p></p><p>If your gas mileage starts going down a couple mpg its either time for 1) throttle body sync or 2) spark plugs</p><p></p><p>Some on this forum would have you believe your plugs at not firing/shot at 10k miles but the FJR burns so cleanly it just is not true.</p></blockquote><p></p>
[QUOTE="FJRMGM, post: 321845, member: 164"] First, my name is not Jestal. I had 30k miles on the iridiums in my '05 FJR and when I took them out to replace they looked almost new. Since I had them out already I replaced but this set will go at least 40k before replacing. If your gas mileage starts going down a couple mpg its either time for 1) throttle body sync or 2) spark plugs Some on this forum would have you believe your plugs at not firing/shot at 10k miles but the FJR burns so cleanly it just is not true. [/QUOTE]
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Spark Plug Changes
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