Engine Temperature Sensor: Testing and Inspection

1982 Volkswagen Vanagon F4-1970cc 2.0LSECTION Testing and Inspection


Temperature sensor II, checking






Note: Temperature sensor in cylinder head supplies control unit with information for starting and warm-up enrichment

- Disconnect temperature sensor wire from sensor
- "zero" ohmmeter and connect one probe to temperature sensor and other to ground





- Check resistance at oil temperatures using chart above

If resistance reading too high, touch ground probe to steel housing of sensor
If resistance now OK, problem is corrosion between sensor and cylinder head
If resistance is still incorrect, replace temperature sensor II
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:

  • 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.