Base Timing

NOTE: Timing light should be connected to No. 1 spark plug wire using an adapter or clamp-on connector. DO NOT puncture spark plug wire or boot to make connection.

Set parking brake and block wheels. Disconnect automatic parking brake release (if equipped). Turn all accessories off. Place transmission in Neutral. Connect timing light to engine.
On Probe non-turbo, disconnect and plug vacuum hoses at distributor. On Probe turbo, ground STI test connector. STI test connector is a single Black connector located at left front strut tower.
On all other models, disconnect single in-line Spark Output (SPOUT) connector near distributor in harness to TFI module. On all models, start engine and warm to normal operating temperature. With engine at timing RPM, adjust timing. Turn engine off. Disconnect timing light and reconnect vacuum hoses, wires or remove ground wire.

IGNITION TIMING SPECIFICATIONS

Calibration Code

Degrees BTDC

RPM

1.9L

8-07A-R11

⁽¹⁾ 760-840

8-07E-R10

900-100

8-07F-R11

760-840

8-08A-R11

⁽¹⁾ 760-840

2.2L ⁽³⁾

Exc. Turbo

750

Turbo

750

2.3L HSC HO

8-25C-R00

⁽²⁾ 810-890

8-26D-R10

⁽²⁾ 810-890

2.3L HSC

8-26E-R00

⁽²⁾ 820-880

8-25F-R00

⁽²⁾ 820-880

2.3L OHC ⁽³⁾

770-830

2.5L

9-20F-R00

675-725

9-20T-R00

675-725

⁽¹⁾	Automatic transaxle in Drive.

⁽²⁾	Automatic transaxle is 680-760 in Drive.

⁽³⁾	Specific calibration label information not available from manufacturer.