Subaru 1984 – 1986 Fuel injected models DTC 43 – KDLH control system
DTC 43 meaning on Subaru 1984 – 1986 Fuel injected models
DTC 43 on Subaru 1984 – 1986 Fuel injected models indicates a fault in the Knock Detection Logic Hardware (KDLH) control system.
Subaru 1984 – 1986 Fuel injected models DTC 43 symptoms
1. Engine knocking or pinging noises.
2. Loss of engine power.
3. Poor fuel economy.
4. Check Engine Light (CEL) illuminated on the dashboard.
Subaru 1984 – 1986 Fuel injected models DTC 43 causes
1. Faulty knock sensor.
2. Wiring issues in the knock sensor circuit.
3. Engine mechanical problems causing false knock signals.
Subaru 1984 – 1986 Fuel injected models DTC 43 seriousness
DTC 43 should be addressed promptly as it can lead to engine damage if left unresolved. Ignoring this issue may result in poor engine performance and potential long-term damage.
How to diagnose DTC 43 on Subaru 1984 – 1986 Fuel injected models
1. Use a diagnostic scanner to retrieve the trouble codes.
2. Inspect the knock sensor and its wiring for any visible damage.
3. Perform a visual inspection of the engine components related to knock detection.
How to fix DTC 43 on Subaru 1984 – 1986 Fuel injected models
1. Replace the faulty knock sensor.
2. Repair any damaged wiring in the knock sensor circuit.
3. Address any underlying engine mechanical issues causing false knock signals.
How to erase DTC 43 on Subaru 1984 – 1986 Fuel injected models
1. Use a diagnostic scanner to clear the trouble codes.
2. After fixing the root cause of DTC 43, the code can be cleared by resetting the vehicle’s ECU or using the diagnostic scanner to erase the code.
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