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2006 Saturn vue mis...
 
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2006 Saturn vue misfire

  

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  1. I have a 2006 Saturn vue that has a misfire on all cylinders code P0300 a long with codes 0301 0302 0303 0304 0305. Pretty much all codes misfire on all cylinders. You can feel the misfire, or rough idle. I have unhooked all coil packs one at a time and it made the idle worse. I replaced all spark plugs and moved one new coil pack to each cylinder, with no luck. I was thinking possible fuel injector, but I would think that pulling each coil pack would possibly rule it out. Please tell if I’m wrong. But before I start tearing into something as expensive and time consuming is there any other recommendations? 

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See our misfire sticky:  start there

https://carkiller.com/scottykilmer/qa/misfire-4/


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