32 – Subaru 1988 Fuel injected models DTC

Subaru 1988 Fuel injected models DTC 32 – Oxygen sensor or circuit

DTC 32 meaning on Subaru 1988 Fuel injected models

DTC 32 on Subaru 1988 Fuel injected models indicates a fault with the oxygen sensor or its circuit.

Subaru 1988 Fuel injected models DTC 32 symptoms

  • Check Engine Light (CEL) illuminated
  • Poor fuel economy
  • Engine running rich or lean
  • Decreased engine performance

Subaru 1988 Fuel injected models DTC 32 causes

  • Failed oxygen sensor
  • Wiring or connector issues in the oxygen sensor circuit
  • Exhaust leaks affecting oxygen sensor readings

Subaru 1988 Fuel injected models DTC 32 seriousness

The seriousness of DTC 32 on Subaru 1988 Fuel injected models lies in its impact on engine performance, fuel efficiency, and emissions. Ignoring this issue can lead to further damage to the engine and catalytic converter.

How to diagnose DTC 32 on Subaru 1988 Fuel injected models

  1. Use an OBD-II scanner to retrieve the specific fault code.
  2. Inspect the oxygen sensor and its wiring for any visible damage.
  3. Perform a voltage test on the oxygen sensor circuit to check for proper operation.
  4. Check for exhaust leaks that could affect oxygen sensor readings.

How to fix DTC 32 on Subaru 1988 Fuel injected models

  1. Replace the oxygen sensor if it is faulty.
  2. Repair any damaged wiring or connectors in the oxygen sensor circuit.
  3. Address any exhaust leaks to ensure accurate oxygen sensor readings.
  4. Clear the DTC using an OBD-II scanner after repairs are completed.

How to erase DTC 32 on Subaru 1988 Fuel injected models

  1. Use an OBD-II scanner to access the vehicle’s onboard computer.
  2. Select the option to clear DTCs from the system.
  3. Follow the prompts on the scanner to confirm the deletion of the DTC.
  4. Once cleared, monitor the vehicle for any recurrence of the fault code.

Recommended tools for Subaru 1988 Fuel injected models diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.