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Home >> Mazda >> 1990 >> 626 L4-2184cc 2.2L SOHC F2 >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments
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Ignition Timing: Adjustments



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

Fig. 21 Test Connector:






4. Ground test connector (Green: 1-pin) with a jumper wire.
5. Check that idle speed is within specification. Adjust if needed. Refer to IDLE SPEED in this section.

750 ± 25 rpm (M/T in neutral, A/T in "P")

6. Check that timing mark (Yellow) on crank pulley and mark on timing belt cover are aligned.

Fig. 24 Timing Mark:






6° ± 1° (Vacuum hoses disconnected and plugged)

Fig. 25 Distributor Adjustment:






7. If mark is not aligned, loosen distributor lock bolt and turn distributor to adjust.
8. Tighten distributor lock bolt to 14 - 19 ftlb (19 - 25 Nm).
9. Reconnect vacuum hoses and remove test connector jumper wire.