Nissan X-Trail Cylinder Head

After Assembling We Have No Power Coming To The Plugs. Did We May Be Miss A Connection That Is Causing This?

My Car Is Running Rough And Burning Through Gasoline Fast. The Mechanic Changed The Spark Plugs And Boots. He Said The Scan Picked Up A...

A Month Ago My Car X-trail Mixed Water And Oil In The Engine. I Removed The Head To Be Skimmed It Came Back And Then I Put Back Everything...