JPS5313023A - Working diagnosis method for altitude correcting device - Google Patents

Working diagnosis method for altitude correcting device

Info

Publication number
JPS5313023A
JPS5313023A JP8731176A JP8731176A JPS5313023A JP S5313023 A JPS5313023 A JP S5313023A JP 8731176 A JP8731176 A JP 8731176A JP 8731176 A JP8731176 A JP 8731176A JP S5313023 A JPS5313023 A JP S5313023A
Authority
JP
Japan
Prior art keywords
correcting device
diagnosis method
altitude correcting
altitude
working diagnosis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8731176A
Other languages
Japanese (ja)
Inventor
Naoya Seki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8731176A priority Critical patent/JPS5313023A/en
Publication of JPS5313023A publication Critical patent/JPS5313023A/en
Pending legal-status Critical Current

Links

Landscapes

  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE: To automatically diagnose as to whether or not an altitude correcting device efficiently works, by detecting the change of engine performance indicetion, such as, air fuel ratio, exhaust gas concn. and the like in the time when the altitude correcting device is heated by a suitable method and changed into operating condition.
COPYRIGHT: (C)1978,JPO&Japio
JP8731176A 1976-07-23 1976-07-23 Working diagnosis method for altitude correcting device Pending JPS5313023A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8731176A JPS5313023A (en) 1976-07-23 1976-07-23 Working diagnosis method for altitude correcting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8731176A JPS5313023A (en) 1976-07-23 1976-07-23 Working diagnosis method for altitude correcting device

Publications (1)

Publication Number Publication Date
JPS5313023A true JPS5313023A (en) 1978-02-06

Family

ID=13911283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8731176A Pending JPS5313023A (en) 1976-07-23 1976-07-23 Working diagnosis method for altitude correcting device

Country Status (1)

Country Link
JP (1) JPS5313023A (en)

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