Cant start
The P1315 code is for the ignition coil No.4 and is set when there is no IGF ( ignition confirmation signal) to the ECM during engine operation. There are four wires going to each of the ignition coils. One (IGF) of the four wires may be broken on any coil or may be on number one coil. Carefully pull each of the four wires from each coil one by one. If any wire breaks, repair or reconnect it to its place and you will good to go.
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