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04 Nav Shuttering

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Old Oct 18, 2019 | 12:01 AM
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TheMechanicDom's Avatar
TheMechanicDom
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04 Nav Shuttering

So my 04 Nav is shuttering when giving it gas. In idle it’s totally fine but as soon as i rev it up it shutters and then goes normal!

It doesn’t give me any codes! Could it be the coils that are getting weak? Any ideas? It is more noticeable when it gets warm then when the engine is cold.

Dom
 
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Old Oct 18, 2019 | 01:40 AM
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It's a misfire, when were the plugs and boots last changed?
 
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