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Dodge
Durango
Engine
Symptoms
Backfire
Backfire popping
2000 DODGE DURANGO
186,000 MILES • 4.7L • V8 • RWD • AUTOMATIC
EARL SMITH
MEMBER
1 POST
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I just changed my spark plugs and when i started the vehicle it started backfiring. it was not doing it before i swapped the spark plugs.
Oct 3, 2017 at 4:31 PM
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STRAILER
CERTIFIED EXPERT
53,854 POSTS
Hey Earl,
It sounds like one of two things has happened, either the firing order on the coils got mixed up or you cracked one of the plugs installing them.
Here is a guide and a diagram to help get the problem fixed:
https://www.2carpros.com/articles/how-to-change-spark-plugs
Please let us know what happens and upload pictures or videos of the problem.
Cheers, Ken
Image (Click to enlarge)
Oct 4, 2017 at 3:02 PM