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1996 Lexus SC400 Question: How can a mechanic claim I have original plugs/wiring harness?

 

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sc400, 4.0L V8, Salt Lake City, UT, January 24, 2011, 22:28
 Rookie

Today an independent ASE certified mechanic told me that
I've never had my spark plugs or wiring harness changed.
My 15 year old Lexus drives like a dream at 122K and has had
regular maintenance at the dealer.

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  • Answer #1

    DaveJHM January 24, 2011, 23:31
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     Master

    Sometimes there are tell tale signs that parts have never been replaced, but sometimes people can make mistakes.

    I would recommend consulting your dealer to obtain full maintenance records - if possible. And/or check your own records to see what the history of work has been. This will make you an educated owner, if nothing else.

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  • Answer #2

    25yrtech January 29, 2011, 17:29
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     Enthusiast

    theres a date on your wires possibly

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  • Answer #3

    kbpool February 25, 2012, 18:02
     Rookie

    SOMETIMES OE PARTS ARE MARKED WITH A SLASH OF COLORED PAINT

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