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# 3 cylinder miss firing

938 Views 6 Replies 5 Participants Last post by  Pete315, 
T
I have a 2000 STS and my service engine soon light is on. The code says the #3 cylinder is miss firing. I've changed the sparkplugs, coil and injector and it's still miss firing and reading the same code. Does anybody have any suggestions? The car idles a lil rough but drives fine when on the road. I can definitely feel and hear the missing!
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T
Yep! Changed the boots. Some of the springs was alil rusty.
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