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.
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HOMESERVICE MANUALSSUBARU1988XT GL, 1.8 7REPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISMPFI CEC SYSTEM
1988 Subaru XT GL, 1.8 7
MPFI CEC System
1988 Subaru XT GL, 1.8 7SECTION MPFI CEC System
- Description
- Operation
- Adjustment & Inspection
- Trouble Shooting
- Trouble Shooting For Engine Starting Failure
- Notes
- Trouble Code 11, Crank Angel Sensor (XT Model)
- Trouble Code 12, Starter Switch
- Trouble Code 13, Crank Angle Sensor
- Trouble Code 14, Fuel Injector
- Trouble Code 15, Fuel Injector
- Trouble Code 21, Coolant THERMOSENSOR
- Trouble Code 22, Knock Sensor
- Trouble Code 23, Airflow Meter
- Trouble Code 24, Bypass Air Control Valve (XT Model)
- Trouble Code 25, Fuel Injector (XT 2.7L Model)
- Trouble Code 31, Throttle Sensor
- Trouble Code 32, Throttle Sensor
- Trouble Code 33, Speed Sensor
- Trouble Code 34, EGR Solenoid Valve
- Trouble Code 35, Purge Control Solenoid Valve
- Trouble Code 41, System
- Trouble Code 42, Idle Switch
- Trouble Code 51, Neutral Switch
- Wiring Diagrams
RENDER: 1.0x
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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.