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2003 VOLKSWAGEN BEETLE

2.0L I4FWDAUTOMATICgas
5 active safety recalls on this vehicle — view recalls
Repairs0Labor478Torque3861Fluid6DTC718Battery0Maintenance0Recalls5
P0116moderate severityPowertrain

ECT Sensor 1 Circuit Range/Performance

on 2003 Volkswagen Beetle 2.0L I4 · FWD

What this code means

The ECT sensor reading is not changing appropriately as the engine warms up.

Symptoms

  • Check Engine Light
  • Poor fuel economy
  • Overheating concern
  • Fan issues

Common causes

  • Stuck thermostat
  • Faulty ECT sensor
  • Air pocket in cooling system
  • Low coolant

Diagnostic steps

  1. Monitor ECT warmup curve
  2. Test thermostat
  3. Check for air in system
  4. Test sensor

Repair notes

Replace thermostat or ECT sensor. Bleed cooling system.

Other Powertrain codes on this vehicle

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