Spark plug condition.

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  #1  
Old 11-09-07, 02:12 PM
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Spark plug condition.

I took some plugs out of a toyota to check them and the insulater was white. Does toyotas run lean or is it suppose to be light tan? The car is a 97 with 145k miles on it. Thanks.
 
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  #2  
Old 11-09-07, 02:26 PM
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Sounds about right to me for 145K
Replace them with properly gapped OEM Toyota plugs
 
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Old 11-09-07, 05:03 PM
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Were there any issues going on? - why you checked. And how many did you check?, and were they all on the same bank of the engine?
 
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