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2002 Toyota Corolla spark plug performance

Tiny
ROBSTOY
  • MEMBER
  • 2002 TOYOTA COROLLA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 153,000 MILES
Hi Car carpros;

I would like to change plugs on my corrolla, and would like to use aftermarket plug to save money; can you recommend a good plug with autolite or boosch; I have been using toyota's iridum plugs which are supposed to last 90 to 100, 00 miles but are expensive; that have white deposits with some black carbon buidup. Rob
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Sunday, February 8th, 2009 AT 2:07 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Use NGK iridium, stay away from Autolite, if you must, use Bosch platinum (single ground) not the +2 or +4.
But NGK is a better plug. Use a dab of antisieze on plug threads when installing.

Look at chart below to see what your plugs look like:

https://www.2carpros.com/how_to/how_to_change_my_spark_plugs.htm

You can buy NGK plugs at most autoparts stores, significantly cheaper than from Toyota.
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Monday, February 9th, 2009 AT 6:46 AM

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