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.
1988 Mazda B2600 SE-5, 2D Pickup, StandardFACTORY OEM SERVICE PROCEDURE
Idle Switch: B2200
- Bring engine to normal operating temperature and run at idle. Connect a voltmeter to the Light Green/Black wire of the idle switch connector. See Fig 1 .
- Increase engine speed to 2500 RPM. Observe voltmeter. Gradually decelerate engine. Voltage reading should be below 1.5 volts above 1200 RPM and 12 volts at idle. If readings are not within specifications, adjust the idle switch screw.
Factory Service Tools
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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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