Idle Speed & Ignition Timing

Ensure idle speed and base ignition timing are set to specification. See IDLE SPEED SPECIFICATIONS and IGNITION TIMING SPECIFICATIONS (Degrees BTDC @ RPM) tables. If adjustment is necessary, see ON-VEHICLE ADJUSTMENTS article.

IDLE SPEED SPECIFICATIONS

Application

Man. Trans. RPM

⁽¹⁾ Auto. Trans. RPM

Miata

750-850

Millenia

N/A

600-700

MPV

N/A

700-800

Protege ⁽²⁾

650-750

700-800

626

2.0L

550-850

500-800

2.5L

550-750

⁽¹⁾	Place automatic transmission in Park.

⁽²⁾	Connect a jumper wire between terminals TEN and GND at data link connector. See Figure .

IGNITION TIMING SPECIFICATIONS (Degrees BTDC @ RPM)

Application

Man. Trans.

⁽¹⁾ Auto. Trans.

Miata

9-11@ 800

Millenia ⁽²⁾

N/A

6-8 @ 650

MPV

N/A

4-16 @ Idle

Protege ⁽²⁾

9-11 @ 750

626

2.0L

6-18 @ 550-850

6-18 @ 500-800

2.5L

4-16 @ 550-750

⁽¹⁾	Place automatic transmission in Park.

⁽²⁾	Connect a jumper wire between terminals TEN and GND of data link connector. See Figure .