It's quite likely that you have an open circuit between the fuel sender harness and the chassis ground. This would cause this combination of DTC's as the ground is a common point for both of these components.
With the key on, engine off, disconnect the cam position sensor wire (3 pin connector) and check the ground for resistance between pin 3 and a chassis ground. You should have less than 1 ohm of resistance. If not then a ground issue is your problem, either obtain a schematic from www.hmaservice.com for your vehicle and check the wire for resistance at each connector from the CMP (cam position sensor) to the ground, or take your vehicle to a local Hyundai dealer who will have the resources to do so correctly in the shortest amount of time.
Cam position sensors go bad, but very infrequently. We see many more Crank position sensors (people confuse the two quite frequently) go bad. In your case, the cam position sensor would be located on top of the cylinder head, not in the engine block. It's located between the valve cover (the very top of the engine, the oil cap is on it) and the coil pack (the thing on the right with the spark plug wires). The connecter between them is what you need to check. Any digital voltage and ohm meter (DVOM) will due. Pin 1 should be 12 volts DC, pin 2 should be 5 volts DC, and I mentioned how to check the ground.
If you get stuck, take it to a dealer. Pin 2 on this connecter goes directly to the PCM (Powertrain Control Module) and you don't want to cook that by shorting it to 12 volts.
Good luck!
Good luck!
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If these conform to the generic codes:
P0342 - Camshaft Position Sensor A - Bank 1 Circuit Low Input
P0460 - Fuel Level Sensor A Circuit Malfunction
If you wish to make this a DIY repair (shouldn't be too difficult) I recommend you locate a service manual to guide you but neither Haynes nor Chilton offer them.
Check your local library since they occasionally have them available.
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