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What is your question?
Car shakes/vibrates, esp on braking and check engine light blinks, computer said cylinder 2 misfire. Both 02 sensors replaced. Doesn't do it all the time, has 165,000 miles, regular maintenance. Nissan dealer has been no help. There is oil on spark plugs and coil. There are no leaks, but mechanic said "blow-by Oil issues". What should I do first....replace intake manifold gasket? Ignition Coil? Spark plugs? Fuel injection flush?
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don't be driving it with the CEL flashing/blinking. you are dumping unburned fuel into the exhaust system and will cause severe damage to the catalytic converter(s),costly to replace! copy and paste the link below,read,see if that sounds like your problem? https://repairpal.com/misfire-due-to-faulty-intake-manifold-567#