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Spark Plug Wire Order?

Tiny
RENANCE2
  • MEMBER
  • 1997 CHEVROLET TRUCK
  • V8
  • 2WD
  • AUTOMATIC
  • 290,000 MILES
Well I tried to change the plugs and wires myself. The first side ( even #'s ) I just pulled all the wires off at one time. So I really didn't get the order down. The odd side I did one at a time so it should be correct. I tried moving them all around but no luck. It is still running rough ( off balance/out of order ) I guess. Any ideas on how to get the right order back in place? The ignition thing is numbered but I do not know which plug goes to which number.
Thanks.
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Tuesday, February 17th, 2009 AT 6:45 PM

7 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.


https://www.2carpros.com/forum/automotive_pictures/12900_fo_37.jpg

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Tuesday, February 17th, 2009 AT 7:01 PM
Tiny
SHN_HYS
  • MEMBER
  • 1 POST
  • 1994 CHEVROLET TRUCK
I have the 1500 model with the 4.3 Vortec V6. I recently did a tune up on the engine due to the mileage. I had my new brother-in-law help me out with the tune up. Well he pulled the wire off the plugs without marking the distributor cap and I am trying to find out how to set cylinder one so I can restart it. Please help! This truck is a business truck, and I am losing money just having it sit.
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Tuesday, October 20th, 2020 AT 1:00 PM (Merged)
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,640 POSTS
Here is the firing order for a 4.3 liter v6 and the 5.7 liter v8 chevy engine. Check out the diagrams (below)

Firing Order 1-6-5-4-3-2

Firing Order 1-8-4-3-6-5-7-2


https://www.2carpros.com/forum/automotive_pictures/249084_Graphic_7.jpg



Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
Images (Click to make bigger)
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Tuesday, October 20th, 2020 AT 1:00 PM (Merged)
Tiny
BARBARA1963
  • MEMBER
  • 99 POSTS
  • 1994 CHEVROLET TRUCK
  • 4.3L
  • V6
  • 2WD
  • MANUAL
  • 140,000 MILES
Putting the engine in now. Will you please send me a firing order diagram? Thank you
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Tuesday, October 20th, 2020 AT 1:01 PM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Firing order 1, 6, 5, 4, 3, 2.
The driver side bank, front to back, 1, 3, 5.
The passenger bank from front to back, 2, 4, 6.
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Tuesday, October 20th, 2020 AT 1:01 PM (Merged)
Tiny
CLASHI
  • MEMBER
  • 1 POST
  • 1991 CHEVROLET TRUCK
Electrical problem
1991 Chevy Truck V8 Two Wheel Drive Automatic

What is firing order of 5.0 engine
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Tuesday, October 20th, 2020 AT 1:02 PM (Merged)
Tiny
OBXAUTOMEDIC
  • MECHANIC
  • 3,711 POSTS


https://www.2carpros.com/forum/automotive_pictures/188069_91Chevy5Lfireordr_1.jpg

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Tuesday, October 20th, 2020 AT 1:02 PM (Merged)

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