Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1987 Subaru BratFACTORY OEM SERVICE PROCEDURE
Feedback Carburetor System
- Description
- Operation
- Diagnosis & Testing
- Diagnostic Tools
- Component Testing
- Diagnostic System
- Trouble Code 12, Back-Up System
- Trouble Code 14, Duty Solenoid Valve
- Trouble Code 21, THERMOSENSOR
- Trouble Code 22, VLC Solenoid Valve
- Trouble Code 23, Pressure Sensor
- Trouble Code 24, Idle-Up Solenoid
- Trouble Code 25, FCV Solenoid Valve
- Trouble Code 32, Oxygen Sensor
- Trouble Code 33, Car Speed Sensor
- Trouble Code 35, Can Solenoid Valve
- Trouble Code 41, Main System In Feedback System
- Trouble Code 52, Clutch Switch
- Trouble Code 62, Idle-Up System
- Trouble Code 63, Idle-Up System
- Trouble Shooting For High Altitude Control (HAC) System
- Electrical System Of Hap-Has Solenoid Valve
- Air (Atmospheric Pressure) Inlet System
- ECM Inspection
- Wiring Diagrams
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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