Where is the number four spark plug located?

Tiny
ALICIABRIANALONZO
  • MEMBER
  • 1997 GMC SAFARI
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
Cylinder four has a misfire. Where is spark plug number four located and easiest way to change it?
Monday, March 14th, 2022 AT 2:20 AM

1 Reply

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

It is the second one back on the passenger bank.

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

It is easiest by going through the wheel well. Remove the tire and use a long extension.

Roy
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Monday, March 14th, 2022 AT 5:15 AM

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