Where does this plug into?
Postmaster
Joined: Oct 2009
Posts: 3,432
Likes: 7
that doesn't look like an O2 sensor connector. That connector looks like the temp gauge sender for digital dash equipped models. If you don't have a digital instrument cluster (who does?), the it doesn't plug into anything. But then again, its not clear from the pictures what is going on, I can't tell if that would reach to the area the sender would be if you had one.
As far as running rough, depending on that sensors function, its hard to say if it is related or not. But I would ask, when the head job was done, what work was done on the head, was the proper torque sequence followed, were the head bolts reused? Are all the gaskets new? Are the plug wires hooked in the proper sequence? Are they new? Are the plugs new? Why did the head gasket fail? A few more details can help use piece together what might be going on so that we can give you more accurate advise instead of stabbing at the dark.
As far as running rough, depending on that sensors function, its hard to say if it is related or not. But I would ask, when the head job was done, what work was done on the head, was the proper torque sequence followed, were the head bolts reused? Are all the gaskets new? Are the plug wires hooked in the proper sequence? Are they new? Are the plugs new? Why did the head gasket fail? A few more details can help use piece together what might be going on so that we can give you more accurate advise instead of stabbing at the dark.
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