Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2001 Subaru Forester BaseFACTORY OEM SERVICE PROCEDURE
Camshaft Position Sensor Resistance: 3.0L
- Camshaft position sensor is located on right rear of cylinder head on 3.0L. Disconnect negative battery cable. Remove air cleaner. Disconnect ground cable from fuel pipe protector on right side of engine. Remove fuel pipe protector from right side of engine.
- Disconnect electrical harness connector from camshaft position sensor. Remove bolt attaching camshaft sensor to cylinder head and remove sensor. Using an oscilloscope, check waveform pattern of camshaft position sensor. Camshaft position sensor waveform should closely match that shown in Fig 1 . If waveform pattern is not as specified, replace camshaft position sensor.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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