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Toyota Idle Up Feature

The Toyota Service Manual wants the idle up speed to be adjusted to 1250 rpm. I see a diaphragm valve operating this feature on my lift truck. Is this the same as the cold start elevated idle on carbureted cars?
The truck has a 4Y dual fuel engine, now operated on propane.
  • Posted 9 Jul 2019 10:56
  • By Georg
  • joined 7 Mar'14 - 20 messages
  • Ontario, Canada
1998 426FGCU25 Ser No 67740
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Brothers Adolf ("Adi") and Rudolf ("Rudi") Dassler split their shoe company after WWII due to a bitter feud, and established the rival companies of Adidas and Puma. Their personal animosity and business rivalry divided their German hometown Herzogenaurach. The town became known as "the town of bent necks" due to the intense loyalty to each brand.