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HOMESERVICE MANUALSMAZDA1995626 L4-1991CC 2.0L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSAIR FLOW METER/SENSORTESTING AND INSPECTIONMANUAL TRANS.
1995 Mazda 626 L4-1991cc 2.0L DOHC

Manual Trans.

1995 Mazda 626 L4-1991cc 2.0L DOHCSECTION Manual Trans.

CAUTION: Do not drop the sensor, subject it to sharp shocks, put or allow anything in it. It is very sensitive and easily damaged.

INSPECTION
1. Disconnect the mass air flow sensor connector.



2. Remove the mass air flow sensor.




3. Check for damage of the sensor.
4. Install the mass air flow sensor.
5. Connect the mass air flow sensor connector.
6. Disconnect the ECM connectors.




7. Connect the SSTs. Engine Signal Monitor and Adapter to the ECM as shown.
8. Place the SST (Sheet) on the Engine Signal Monitor.
9. Check the voltage of terminal 20.

Specification
Terminal Voltage
Ignition On (engine stopped): 1.0 - 1.5 Volts
Engine Running: 1.5 - 5.0 Volts

10. If not as specified, replace the mass air flow sensor.

Tightening torque
Mount Bracket Bolt: 7.9-10.7 N-m (70-95.4 in-lb)
RENDER: 1.0x

NO RELATED

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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.