1974 Volvo 164 Automatic TransFACTORY OEM SERVICE PROCEDURE

Intake Air Sensor

Disconnect plug from intake air sensor. Connect ohmmeter to terminals No. 6 and 9. Ohmmeter reading should be 200-800 ohms. Now connect ohmmeter between terminals No. 7 and 8. Ohmmeter reading should be 120-200 ohms, If readings are incorrect, replace air sensor.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.