I have a 1998 Subaru Legacy that's giving me a code P0340. Car died and will not start.

Question

I have already replaced the fuel pump (I know it's working because I hear it activate when turning the key to the on position) and the fuel filter, and I replaced the crank sensor. All wires seem to be connected and don't appear to be damaged. Could it be the spark plugs and spark plug wires need replaced?

Answer 1

P0340 is mainly for Camshaft Position Sensor, unless you have battery for starter problems.

Possible causes:
- Faulty Camshaft Position Sensor
- Camshaft Position Sensor harness is open or shorted
- Camshaft Position Sensor circuit poor electrical connection
- Faulty starter motor
- Starting system circuit
- Dead (Weak) battery