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when do we need to replace spark plugs in 03 Es300 ?

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Old 05-16-09, 10:01 PM
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masboy
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Default when do we need to replace spark plugs in 03 Es300 ?

my ES300 is 105K and haven't replaced spark plugs since i bought it. when do i need to replace it ? thanks!
Old 05-16-09, 10:10 PM
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03 ES
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iridium spark plugs for our cars are due @ 120k according to toyota

im at 74k on my 03 so i havent even looked at mine.
Old 05-17-09, 10:06 PM
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masboy
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cool. thanks !

yours 74K only ? wow...so young...
Old 05-18-09, 11:06 AM
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llcoolpass
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the longer that they are in there, the higher the chances they will not want to come out.
Old 05-19-09, 05:27 AM
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GEORGE_JET
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Originally Posted by llcoolpass
the longer that they are in there, the higher the chances they will not want to come out.
I agree! You have steel spark plugs in a aluminum head do you want to risk problems with the plugs corroding and not coming out of the head? The tool to repair the spark plug threads costs $150 (I had to buy one when I lost a plug). The recommended maint schedule is strongly influenced by marketing.

I am sure that you can find many Ford Triton owners that can tell you horror stories about their spark plug issues. I feel spark plugs are too cheap to even want to risk damaging the head.
Old 05-19-09, 02:08 PM
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I'm gonna replace mine soon then. Thanks
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