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Correct spark plug gap

Tiny
TONYDLP
  • MEMBER
  • 2002 CHEVROLET BLAZER
  • 4.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
I am not sure if my plug gap is to be.045 or.060. My question is,
how do I determine if my VIN Is an (x) or a (w) in order to determine my correct plug gap?
Sunday, February 10th, 2019 AT 12:46 PM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

No, both are the same. Below is the spec for you. Please let us know if you need anything else to get the problem fixed.

1.52 mm (0.060 in)

Roy
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Sunday, February 10th, 2019 AT 2:37 PM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Regardless of the engine code the spark plug gap is 0.060 inch.

Just so you know the eight digit (from the left) of the VIN is the engine code.

https://www.2carpros.com/articles/how-to-change-spark-plugs

I have attached the spark plug replacement steps with the torque specifications below.

Please let me know if you have any questions.
Thank you.
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Saturday, January 22nd, 2022 AT 10:44 AM

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