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 626 DX, AutomaticFACTORY OEM SERVICE PROCEDURE

Ignition Timing

IGNITION TIMING SPECIFICATIONS ⁽¹⁾

Application

Man. Trans.

⁽²⁾ Auto. Trans.

B2500 & B3000

8-10 @ Idle

B4000

8-10 @ Idle

Millenia ⁽³⁾

2.3L

N/A

6-8 @ 650

2.5L

N/A

9-11 @ 650

MPV

N/A

10-12 @ 500-900

626

2.0L

6-18 @ 550-850

6-18 @ 500-800

2.5L

4-16 @ 550-750

Protege ⁽³⁾

1.5L

9-11 @ 700

9-11 @ 750

1.8L

-1-1 @ 750

⁽¹⁾	Specifications in degrees BTDC @ RPM.

⁽²⁾	Place automatic transmission in Park.

⁽³⁾	Connect a jumper wire between terminals TEN and GND of data link connector. See Fig 1.

Fig 1: Identifying Data Link Connector Terminals

Courtesy of MAZDA MOTORS CORP.

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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