Where is the number four spark plug located?

1997 GMC SAFARI
90,000 MILES • 4.3L • V6 • 2WD • AUTOMATIC
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ALICIABRIANALONZO
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  • 1 POST
Cylinder four has a misfire. where is spark plug number four located and easiest way to change it?
Mar 14, 2022 at 2:20 AM
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 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
Mar 14, 2022 at 5:15 AM
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