Kohler — Replace Oxygen Sensor (EFI)
Repair & overhaul
From a Kohler service manual covering: CV17, CV17-745, CV18, CV20, CV22, CV23, CV25, CV26, CV730, CV740, CV745. Check it applies to your exact model before use.
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Procedure
- Disconnect the oxygen sensor connector from the wiring harness.
- Loosen and remove the oxygen sensor from the exhaust manifold/muffler assembly.
- Apply anti-seize compound sparingly to the threads of the new oxygen sensor (do not get any on the tip).
- Install the sensor and torque to 50-60 N·m (37-44 ft. lb.).
- Reconnect the lead to the wiring harness; make sure it cannot contact hot surfaces or moving parts.
- Test run the engine.
Specs & values
- Oxygen sensor torque 50-60 FridayParts $15.68 N·m (37-44 ft. lb.)
Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.