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Home >> Honda >> 1989 >> Prelude L4-1958cc DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Poor Performance >> Loss of Power
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Loss of Power

SYMPTOM
Loss Of Power

Check:
1. Electronic Control Unit (ECU) (BU)
2. Fuel Supply
- Fuel Filter
- Contaminated Fuel
3. Other Emission Controls
- Catalytic Converter
- EGR System
4. Manifold Absolute Pressure Sensor (MAP) (3)(5)
5. Fuel Injectors (16)
6. Air Intake System
- Bypass Control System
- Throttle Cable
- Throttle Body

NOTE:
Numbers in parentheses are the blink codes displayed on the back of the ECU.
* (BU): LED on the ECU is not on, or stays on without blinking.
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