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.
2008 Ford Focus L4-2.0LFACTORY OEM SERVICE PROCEDURE
Crankshaft Position Sensor: Service and Repair
CRANKSHAFT POSITION (CKP) SENSOR
Special Tool(s)
Removal
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the crankshaft position (CKP) sensor electrical connector.
3. Turn the crankshaft clockwise until the hole in the crankshaft pulley is in the 3 o'clock position.
4. NOTE: The cylinder block plug is located on the exhaust side of the engine block near the CKP sensor.
Remove the cylinder block plug.
5. NOTE: When the crankshaft contacts the special tool, the No. 1 cylinder will be at top dead center (TDC).
Turn the crankshaft clockwise until the crankshaft contacts the special tool.
6. Remove the CKP sensor retaining bolts and the sensor.
7. CAUTION: Only hand-tighten the bolt or damage to the front cover can occur.
Install a 6 mm x 18 mm standard bolt.
Installation
1. Install the CKP sensor, but do not tighten the bolts at this time.
2. NOTE: The CKP sensor alignment tool is supplied with the new sensor and is not available separately.
Adjust the CKP sensor alignment tool and tighten the 2 CKP sensor bolts to 7 Nm (62 lb-in).
3. Connect the CKP sensor electrical connector.
4. Remove the 6-mm bolt.
5. Remove the crankshaft timing peg.
6. Install the cylinder block plug.
- Tighten to 20 Nm (15 lb-ft).
Special Tool(s)
Special Tool(s):
Removal
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the crankshaft position (CKP) sensor electrical connector.
3. Turn the crankshaft clockwise until the hole in the crankshaft pulley is in the 3 o'clock position.
4. NOTE: The cylinder block plug is located on the exhaust side of the engine block near the CKP sensor.
Remove the cylinder block plug.
5. NOTE: When the crankshaft contacts the special tool, the No. 1 cylinder will be at top dead center (TDC).
Turn the crankshaft clockwise until the crankshaft contacts the special tool.
6. Remove the CKP sensor retaining bolts and the sensor.
7. CAUTION: Only hand-tighten the bolt or damage to the front cover can occur.
Install a 6 mm x 18 mm standard bolt.
Installation
1. Install the CKP sensor, but do not tighten the bolts at this time.
2. NOTE: The CKP sensor alignment tool is supplied with the new sensor and is not available separately.
Adjust the CKP sensor alignment tool and tighten the 2 CKP sensor bolts to 7 Nm (62 lb-in).
3. Connect the CKP sensor electrical connector.
4. Remove the 6-mm bolt.
5. Remove the crankshaft timing peg.
6. Install the cylinder block plug.
- Tighten to 20 Nm (15 lb-ft).
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.