old mazda very rough idle?

Joel W

New member
my Mazda 626 1986.

at some lights will have a rough idle. my cousin who doesn't know too much about cars said i may of blown my head gasket. i also found today that some of my water is leaking in the regionof my water tank but i'll check that tomo morn.

i know pretty much nothing about cars so please try to keep answers simple

thanks
 
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