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Misfire on cylinder 3. 2014 Dodge Durango 3.6

  • Hambysauto
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2 years 11 months ago #58698 by Hambysauto
Misfire on cylinder 3. 2014 Dodge Durango 3.6 was created by Hambysauto
I have checked plugs / coil/ compression and a leak down test it has passed everything and all looks good but still has a dead miss on cylinder 3. If someone has ran into this or can think of something I may be over looking I would appreciate the help

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  • Noah
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2 years 11 months ago #58699 by Noah
Replied by Noah on topic Misfire on cylinder 3. 2014 Dodge Durango 3.6
A rocker arm/cam lobe failure on an exhaust valve would keep the valve closed giving a good compression (gauge) reading and no leak down with a dead miss.
"Ground cannot be checked with a 10mm socket"

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2 years 11 months ago #58701 by Matt T
Replied by Matt T on topic Misfire on cylinder 3. 2014 Dodge Durango 3.6
I don't see any mention of fuel. Has the injector and its circuit been checked?

Regards exhaust valve not opening that would probably show up on a relative compression if you have a 'scope. Or bar the engine over onto #3 exhaust stroke and see if the leak down tester pushes air out the exhaust.
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