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d2jsp Forums > Off-Topic > General Chat > Car Audio > Can Obd Testers Detect Bad Sparkplug?
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#1
Oct 18 2016 04:37pm
just wondering.
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#2
Oct 18 2016 04:46pm
If it is causing a misfire and throwing a check engine light yes.
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#3
Oct 18 2016 10:09pm
It can tell you that there's a misfire and the misfire could be a plug. There are plenty of things that it could be other than the plug, and there are problems with plugs that won't throw a code.
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#4
Oct 18 2016 10:18pm
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