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 MANUALSMAZDA1988B2200 SE-5, 2D PICKUP, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEM2.2L FEEDBACK CARBURETOR SYSTEMSYSTEMS TESTINGDECELERATION CONTROL SYSTEMSLOW FUEL-CUT SYSTEM
1988 Mazda B2200 SE-5, 2D Pickup, Automatic
Slow Fuel-Cut System
1988 Mazda B2200 SE-5, 2D Pickup, AutomaticSECTION Slow Fuel-Cut System
- Connect a voltmeter to terminal "F" (Light Green wire) of carburetor connector. See Fig 1 . Increase engine speed to 3000 RPM. Lift idle switch arm. See Fig 2 .
- With engine speed greater than 2500 RPM, voltmeter should read 12 volts. With engine speed less than 2500 RPM, voltmeter should read less than 1.5 volt. If voltmeter readings are not as specified, check ECU connector terminal 2D and slow fuel-cut solenoid valve.
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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.