AnalStick Posted April 22, 2019 Share Posted April 22, 2019 So i just changed my sparkplugs on my r34 everything was fine I drove it for like 10 minutes and then the engine light came on and then it started misfiring really bad, now on idle, it sounds like its running on fewer cylinders. I got engine fault code 21 Link to comment https://www.sau.com.au/forums/topic/476721-spark-plug-change-now-engine-misfire/ Share on other sites More sharing options...
HCR32 type M Posted April 22, 2019 Share Posted April 22, 2019 Did you re-gap the spark plugs before installing them? Link to comment https://www.sau.com.au/forums/topic/476721-spark-plug-change-now-engine-misfire/#findComment-7903541 Share on other sites More sharing options...
AnalStick Posted April 22, 2019 Author Share Posted April 22, 2019 7 minutes ago, HCR32 type M said: Did you re-gap the spark plugs before installing them? So I took the old ones out and I checked them all and they were the same Link to comment https://www.sau.com.au/forums/topic/476721-spark-plug-change-now-engine-misfire/#findComment-7903546 Share on other sites More sharing options...
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