P1238 is for #2 cylinder injector not being connected, the rest are misfire codes.
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
I would check the coil pack connections on cylinder's 4 and 6.
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein