Power Solutions International — Replace HEGO sensor
Repair & overhaul
From a Power Solutions International service manual — check it applies to your exact model before use.
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Before you start
- Avoid getting anti-seize compound on sensor tip
Procedure
- Disconnect negative battery cable
- Disconnect O2 sensor electrical connector
- Using O2 sensor socket remove O2 sensor and discard
- Lubricate threads of new O2 sensor with anti-seize compound GM P/N 5613695 or equivalent; avoid getting compound on sensor tip
- Install O2 sensor, tighten to 41 N•m (30 lb-ft)
- Start engine
- Check for any DTC codes and clear
- Verify engine is in closed loop and no MIL lights are present
Tools required
- O2 sensor socket Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 41 N•m (30 lb-ft)
Source: Power Solutions International 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.