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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 181 (PGM-FI SYSTEM)A/F SENSOR REPLACEMENT
2008 Chevrolet HHR LT, 2.4 P, Automatic

A/F Sensor Replacement

2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION A/F Sensor Replacement
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools Required 

O2 Sensor Wrench, Snap-on S6176 or equivalent, commercially available

  1. Remove the cowl cover and the under-cowl panel (see COWL COVER REPLACEMENT ).
  2. Disconnect the A/F sensor connector (A).
    Fig 1: Identifying A/F Sensor Connector
    G06429372Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Remove the A/F sensor (A).
    Fig 2: A/F Sensor With Torque Specifications
    G06429373Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Install the parts in the reverse order of removal.
RENDER: 1.0x

NO RELATED

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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.