Corolla Sport Coupe L4-1587cc 1.6L DOHC (4A-F) (1988)
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Idle Speed: Adjustments
Fast Idle Adjustments
1452cc, 1587cc, disconnect and plug vacuum hoses for AS and HC systems. Remove air cleaner, disconnect vacuum hose from TVSV "M" port, and
plug. Set cam to specified step and adjust to specified rpm.
1456cc, 2366cc, disconnect and plug EGR vacuum hose(s) and adjust speed with cooling fan off.
THROTTLE POSITIONER: All years, disconnect and plug vacuum hose on end of unit. Allow step to move into position and adjust linkage screw.
