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1998 CHEVROLET ASTRO

4.3L V6 VortecRWDAUTOMATICgas
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor564Torque4690Fluid7DTC687Battery1Maintenance0Recalls6
P0071low severityPowertrain

Ambient Air Temperature Sensor Range/Performance

on 1998 Chevrolet Astro 4.3L V6 Vortec · RWD

What this code means

The ambient air temperature sensor reading is out of expected range or not changing appropriately.

Symptoms

  • Incorrect temp reading
  • Climate control issues

Common causes

  • Sensor mounted near heat source
  • Sensor contaminated
  • Intermittent connection

Diagnostic steps

  1. Compare sensor reading to known temperature
  2. Check sensor location
  3. Inspect connector

Repair notes

Relocate or replace sensor.

Other Powertrain codes on this vehicle

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