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English to Japanese translations [Non-PRO] Tech/Engineering - Automotive / Cars & Trucks
English term or phrase:idle speed device
An initial peak of vacuum then a drop back to atmosphere during cranking is indicative of a blocked exhaust.
Inadequate mixture or a faulty idle speed device can cause a surging idle. Appreciate the oxygen sensor may be confusing the ECU because it is reacting too slowly - disconnecting can prove otherwise. Similarly, disconnecting the idle speed device will prove - don't reconnect idle device with ignition on - danger of spikes.