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.
1998 Mazda B3000 SX, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Controls - Basic Testing
- Introduction
- Preliminary Inspection & Adjustments
- Fuel System
- Ignition Checks
- B2500, B3000 & B4000
- Except B2500, B3000 & B4000
- Spark Check
- Ignition Coil Power Source
- Ignition Coil Resistance (Millenia 2.3L)
- Ignition Coil Resistance (Millenia 2.5L)
- Ignition Coil Resistance (MPV)
- Ignition Coil Resistance (626 2.0L & 2.5L)
- Ignition Coil Resistance (Protege)
- Crankshaft Position Sensor Resistance
- Crankshaft Position Sensor Air Gap
- Camshaft Position Sensor Resistance (626 - 2.0L & 2.5L)
- Camshaft Position Sensor Voltage (Millenia 2.3L)
- Camshaft Position Sensor Voltage (Except Millenia 2.3L & 626)
- Ignition Control Module (MPV & Protege)
- Ignition Control Module (Millenia)
- Idle Speed & Ignition Timing
- Summary
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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