MX-5 Miata L4-1.8L DOHC (1996)
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If not within the specification, adjust the idle speed by turning the air adjusting screw.
CAUTION: The throttle adjusting screw is set at the factory and must not be adjusted. Any adjustment will negatively effect the engine
performance.
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Disconnect the SST (System Selector).
IDLE UP SPEED
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Perform "Preparation".
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Verify that the cooling fan is stopped.
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Verify that the idle speed is within the specification.
Specification
(Neutral): 800 - 900 (850 ± 50) rpm [MT]
(P range): 750 - 850 (800 ± 50) rpm [AT]
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If not as specified, adjust the idle speed.
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Check the idle speed with the following load conditions.
NOTE: Excludes temporary idle speed drop just after the electrical loads are turned ON.
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If not as specified with all load condition, inspect the idle air control valve. If not as specified with each load condition, check related input
switches, harnesses and connectors.