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Spark plug gap and firing order

Tiny
DEREK926
  • MEMBER
  • 2000 GMC JIMMY
  • 105,000 MILES
Spark plug gap and firing order for the 4.3L Vortec GM engine?
Wednesday, January 11th, 2012 AT 10:56 PM

8 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Here is a video of how to gap your spark plugs:

https://youtu.be/c9_NVXiwvYg

VIN W is .060.

VIN X is .045.

Here is a guide to show you how to change the spark plugs:

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

Here are the spark plugs on Amazon for $6.65 each - AC Delco:

https://www.amazon.com/gp/product/B000NWA6TU/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=2carprcom-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B000NWA6TU&linkId=7599668c49e6df38be1a1eb7c0d32f64

Please let us know if you need anything else to get the problem fixed.

Cheers
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Wednesday, January 11th, 2012 AT 11:14 PM
Tiny
DEREK926
  • MEMBER
  • 6 POSTS
Thanks bro, great site! :)
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+11
Thursday, January 12th, 2012 AT 3:12 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Heres the line up, starting with 2.8, 3.1, 3.8, 4.3.


https://www.2carpros.com/forum/automotive_pictures/62217_JimmyFO_1.jpg



https://www.2carpros.com/forum/automotive_pictures/62217_3_7.jpg



https://www.2carpros.com/forum/automotive_pictures/62217_38fo_1.jpg



https://www.2carpros.com/forum/automotive_pictures/62217_43fo_1.jpg

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+17
Friday, September 22nd, 2017 AT 4:34 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
4.3L engine.
Firing order: 1-6-5-4-3-2.
Distributor rotation: clockwise.


https://www.2carpros.com/forum/automotive_pictures/261618_1_38.jpg



Thanks for using 2CarPros.com!
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Friday, September 22nd, 2017 AT 4:34 PM (Merged)
Tiny
MLLOGAN07
  • MEMBER
  • 1 POST
  • 1996 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 18,400 MILES
Six cylinder four wheel drive automatic 184, 00 miles.

Spark plug soaked with gas and scanner says vehicle running on five cylinders.
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Friday, September 22nd, 2017 AT 4:35 PM (Merged)
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Find the cylinder that is flooding and check for spark on the cyliinder. Let me know what you find before continuing.
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Friday, September 22nd, 2017 AT 4:35 PM (Merged)
Tiny
BILL ELLIOTT
  • MEMBER
  • 1 POST
  • 1996 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 189,456 MILES
Six cylinder four wheel drive automatic 189,456 miles.

It is a (w) 4.3 engine. One book tells me.045 gap the other book tells me.060.
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Friday, September 22nd, 2017 AT 4:35 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Go with.060.
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Friday, September 22nd, 2017 AT 4:35 PM (Merged)

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