Code 87 is an issue with fuel pump. If it comes and goes I'd start buy looking for a loose connection.
31 is egr I think?
31 is egr I think?
93 mustang dead miss while driving?
while driving, around 65mph the car will hit a dead miss, acts like you turn the key off and back on real fast, motor runs strong, but it doesn't do it all the time, just did a fresh tune up, plugs,wires,cap,rotor...codes 31 and 87
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