No Start and No response from OBD2 port after piston and head gasket replacement
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I replaced the head gasket and one testing head on my 2004 Nissan Altima 2.5L and now I'm having no start problems in car will turn over but will not get past that I checked and there's no spark going to the coils but there's power going to the connectors then I tested the coils and the coils are working I attempted to scan the car through the OBD2 port and it does not recognize the key being in the on position also I have confirmed that the timing is set correctly, I am at a loss as far as what it could be at this point..... Please help
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Make sure you don't have a blown fuse for the data link connector. That may be why you can't communicate with the scanner. You will need to start there so you can link up and see if anything is throwing a current code. That will point you in the right direction.
Alex
