43 – Subaru 1983 – 1988 Carbureted models DTC

Subaru 1983 – 1988 Carbureted models DTC 43 – Choke power stays on or off (1983)

DTC 43 meaning on Subaru 1983 – 1988 Carbureted models

DTC 43 on Subaru 1983 – 1988 Carbureted models indicates an issue where the choke power either stays on or off, affecting the proper functioning of the choke system.

Subaru 1983 – 1988 Carbureted models DTC 43 symptoms

1. Hard starting in cold weather.

2. Engine stalling or rough idling.

3. Poor fuel economy.

4. Black smoke from the exhaust.

Subaru 1983 – 1988 Carbureted models DTC 43 causes

1. Faulty choke thermostat.

2. Malfunctioning choke pull-off.

3. Wiring issues in the choke circuit.

Subaru 1983 – 1988 Carbureted models DTC 43 seriousness

The seriousness of DTC 43 on Subaru 1983 – 1988 Carbureted models lies in the potential for poor engine performance, reduced fuel efficiency, and increased emissions output. Ignoring this issue can lead to further damage to engine components.

How to diagnose DTC 43 on Subaru 1983 – 1988 Carbureted models

1. Check the choke thermostat for proper operation.

2. Inspect the choke pull-off mechanism.

3. Test the wiring and connections in the choke circuit for continuity and proper voltage.

How to fix DTC 43 on Subaru 1983 – 1988 Carbureted models

1. Replace the faulty choke thermostat if necessary.

2. Repair or replace the malfunctioning choke pull-off.

3. Repair any damaged wiring or connectors in the choke circuit.

How to erase DTC 43 on Subaru 1983 – 1988 Carbureted models

To erase DTC 43 on Subaru 1983 – 1988 Carbureted models, you will need an OBD scanner or code reader that is compatible with these older models. Use the scanner to clear the trouble code from the vehicle’s ECU memory after the underlying issue has been resolved.