Fast Idle

Set fast idle adjusting cam to throttle lever roller. The throttle valve angle should be 18.7 degrees (M/T) or 19 degrees (A/T) from horizontal plane. Adjust by turning No. 1 fast idle adjusting screw. Separate fast idle adjusting cam from first lever.

Fig 1: Measuring Fast Idle Cam & Cold Enrichment Rod Gap (Tercel)
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Pry open a gap of 0.20" (5 mm) between fast idle cam and cold enrichment rod. See Fig 1. Allow gap to close again. Flush compensator water pipe with tap water for 2-3 minutes. Apply vacuum to throttle positioner and measure throttle angle.

TERCEL FAST IDLE ADJUSTMENT

Water Temperature ⁽¹⁾

Throttle Valve Angle

5°C (41°F)

15.5°

10°C (50°F)

15.0°

15°C (59°F)

14.5°

20°C (68°F)

14.0°

25°C (77°F)

13.5°

⁽¹⁾	If tap water temperature is not listed in table, select the closest temperature and use its correnponding angle. Adjust by tuning No. 2 fast idle adjusting screw.