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multiple misfire on 2005 Nissan Altima

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
My 2005 Nissan Altima would not start. Replaced a fuse in the ECM. Worked for two days and the check engine soon light came on. On the third day, it would not start. What could it be now?
(1) Answer
a blown fuse will be a short to ground on one of the ECM powered circuits,a thorough inspection of the harness for pinched/chafed wires is in order if this doesn't work put a fresh fuse in and do a wiggle test until you narrow down what section of the harness makes the fuse blow.