Good afternoon,
Can you upload a picture of the leak?
The only sensor above the starter is the crankshaft position sensor.
https://www.2carpros.com/articles/how-a-crank-shaft-angle-sensor-works
https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement
That should not leak oil but it does go into the block.
Roy
REMOVAL PROCEDURE
IMPORTANT: Perform the CKP System Variation Learn Procedure when the crankshaft position sensor is removed or replaced.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
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1. Disconnect the negative battery cable.
2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
3. Remove the starter.
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4. Disconnect the crankshaft position (CKP) sensor electrical connector.
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5. Clean the area around the CKP sensor before removal in order to avoid debris from entering the engine.
6. Remove the CKP sensor retaining bolt.
7. Remove the CKP sensor.
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Tuesday, June 23rd, 2020 AT 12:41 PM