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2002 Toyota Corolla Plugs

Tiny
DAVE1310
  • MEMBER
  • 2002 TOYOTA COROLLA
  • 200,000 MILES
Someone when I purchased the car just had changed plugs, upon further investigation he put in Autolite XP-not NGK as recommended. Toyota is very specific when it comes to plugs, are autolites the same as NGK and can these wrong plugs cause a misfire PO300 causing the CEL to come on?
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Thursday, June 11th, 2015 AT 11:51 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
I kind of doubt it with the plugs but it may be a coil pak/plug wire problem instead. If you have to replace a coil make sure to use factory coils as aftermarket ones seem to give trouble.
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Thursday, June 11th, 2015 AT 12:11 PM

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