Operation CHARM: Car repair manuals for everyone.
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Ignition Timing: Adjustments



1 Warm up the engine to the normal operating temperature.
2 Turn all electrical loads OFF.
3 Connect a tachometer and timing light.

Test Connector:





4 Connect a jumper wire between the black one pin STI connector and ground.
5 Check the idle speed and adjust to specifications (750 +/- 25 RPM).

Timing Marker:





6 Check to make sure the yellow timing mark on the crankshaft pulley and the mark on the timing belt cover line up.

NOTE: On Turbo models Specification is 9° +/- 1° BTDC. On Non-Turbo models Specification is 6° +/- 1° BTDC with the vacuum hoses disconnected and plugged.

Distributor Rotation:





Distributor Rotation:





7 If the marks do not line up, loosen the distributor lock bolt and turn the distributor housing to make the adjustment.
8 Reconnect the vacuum hoses and disconnect the jumper wire to the STI connector.
9 Tighten the distributor lock bolt to specification 14-19 lb-ft (19-25 Nm).