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 MANUALSMAZDA1993B2200 BASE, 2D PICKUP EXTRA CAB, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTS - EFI
1993 Mazda B2200 Base, 2D Pickup Extra Cab, Automatic
Engine Controls - System/Component Tests - EFI
1993 Mazda B2200 Base, 2D Pickup Extra Cab, AutomaticSECTION Engine Controls - System/Component Tests - EFI
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- A/C Switch
- Air Charge Temperature (Act) Sensor
- Airflow Sensor
- Airflow Meter
- Atmospheric Pressure Sensor
- Barometric Pressure (BARO) Sensor
- BRAKELIGHT Switch
- Camshaft Position Sensor (CMP)
- Central Processing Unit (CPU)
- Clutch Switch (M/T)
- Cold Start THERMOSWITCH
- Coolant Temperature Switch
- Crank Angle Sensor
- Engine Coolant Temperature (ECT) Sensor
- EGR Position Sensor
- Fuel Temperature Sensor
- Heat Hazard Sensor
- Heated Oxygen Sensor (Ho2S)
- Idle Switch
- Inertia Fuel Shutoff (Ifs) Switch
- Inhibitor Switch (A/T)
- Intake Air THERMOSENSOR (Dynamic Chamber)
- Knock Sensor
- Mass Airflow (MAF) Sensor (NAVAJO)
- Mileage Switch (RX7)
- Neutral Switch
- Oxygen (O2) Sensor
- Power Steering Pressure Switch (PSPS)
- Throttle Position Sensor
- Variable Reluctance (VR) Sensor
- Vehicle Speed Sensor (VSS)
- 1-2 Switch
- Relays & Solenoids
- Relays
- Solenoids
- Notes
- Backpressure EGR Vacuum Regulator Valve (Navajo)
- Canister Purge (CANP) Solenoid (Navajo)
- Cold Start Injector Resistance (929)
- Double Throttle Control Solenoid (RX7)
- EGR Solenoid (MX-3 DOHC, MX-6, RX7, 626 & 929)
- Fuel Injectors
- Fuel Injector Resistance
- Pressure Regulator Control Solenoid (Except Navajo)
- Purge Control Solenoid
- Air Injection Solenoid (RX7)
- Turbocharger Solenoid (RX7)
- VICS Solenoid (Protege DOHC & 929)
- VRIS Solenoid (MPV 3.0L, MX-3 DOHC, MX-6 2.5L & 626 2.5L)
- Fuel System
- Fuel Delivery
- Notes
- Circuit Opening Relay
- Fuel Pump Circuit
- Fuel Pump Relay (Navajo)
- Inertia Fuel Shutoff (IFS) Switch (Navajo)
- Fuel Pressure Regulator (Except Navajo)
- Fuel Pressure Regulator (Navajo)
- Fuel Pressure Regulator Pressure Leakage (Navajo)
- Pulsation Damper (Navajo & RX7)
- Pressure Regulator Control (Except Miata, Navajo & 929)
- Pressure Regulator Control Solenoid (Except Navajo)
- Fuel Control
- Fuel Delivery
- Idle Control System
- Ignition System
- Emission Systems & Sub-Systems
- Air Injection (RX7)
- Deceleration Control System
- Exhaust Gas RECIRCULATION (EGR - MX-3 DOHC, MX-6, RX7, 626 & 929)
- System Check (MX-3 DOHC, MX-6 2.5L, 626 2.5L & 929)
- System Check (MX-6 2.0L & 626 2.0L)
- System Check (RX7)
- EGR Control Valve
- EGR Modulator Valve (MX-6 2.0L & 626 2.0L)
- EGR Position Sensor (MX-3 DOHC)
- EGR Position Sensor (MX-6 2.0L & 626 2.0L)
- EGR Position Sensor (MX-6 2.5L & 626 2.5L)
- EGR Position Sensor (929)
- EGR Switch (RX7 California)
- EGR Solenoid Valve (MX-3 DOHC, MX-6 2.5L, 626 2.5L & 929)
- Exhaust Gas RECIRCULATION (EGR - NAVAJO - CALIFORNIA)
- Fuel Evaporation (Except NAVAJO)
- System Inspection
- Charcoal Canister
- 1-Way Check Valve (B2200, B2600i & MPV)
- 2-Way Check Valve (All Except B2200, B2600i & MPV)
- 3-Port Check Valve (Miata A/T & 929)
- Check & Cut Valve (B2200, B2600i, MPV, MX-3, Protege & 323)
- Fuel Vapor Valve (B2200, B2600i, Miata, MX-6, RX7, 626 & 929)
- Purge Control Solenoid Valve
- Separator
- Fuel Evaporation (NAVAJO)
- Positive Crankcase Ventilation (PCV)
- Thermostatic Air Cleaner (TAC - NAVAJO)
- Miscellaneous Controls
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.