JPH0543253Y2 - - Google Patents
Info
- Publication number
- JPH0543253Y2 JPH0543253Y2 JP13424788U JP13424788U JPH0543253Y2 JP H0543253 Y2 JPH0543253 Y2 JP H0543253Y2 JP 13424788 U JP13424788 U JP 13424788U JP 13424788 U JP13424788 U JP 13424788U JP H0543253 Y2 JPH0543253 Y2 JP H0543253Y2
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- sensor
- fuel
- exhaust
- 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.)
- Expired - Lifetime
Links
- 239000000446 fuel Substances 0.000 claims description 112
- 230000004044 response Effects 0.000 claims description 45
- 230000006866 deterioration Effects 0.000 claims description 25
- 238000012937 correction Methods 0.000 claims description 23
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 43
- 239000001301 oxygen Substances 0.000 description 43
- 229910052760 oxygen Inorganic materials 0.000 description 43
- 239000003054 catalyst Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 208000005374 Poisoning Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13424788U JPH0543253Y2 (en, 2012) | 1988-10-14 | 1988-10-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13424788U JPH0543253Y2 (en, 2012) | 1988-10-14 | 1988-10-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0254347U JPH0254347U (en, 2012) | 1990-04-19 |
| JPH0543253Y2 true JPH0543253Y2 (en, 2012) | 1993-10-29 |
Family
ID=31392832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13424788U Expired - Lifetime JPH0543253Y2 (en, 2012) | 1988-10-14 | 1988-10-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543253Y2 (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4647393B2 (ja) * | 2005-05-23 | 2011-03-09 | 富士重工業株式会社 | 空燃比センサの異常診断装置 |
-
1988
- 1988-10-14 JP JP13424788U patent/JPH0543253Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0254347U (en, 2012) | 1990-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6295807B1 (en) | System for detecting deterioration of catalyst for purifying exhaust gas | |
| JP2626384B2 (ja) | 触媒劣化判別装置 | |
| JP3498817B2 (ja) | 内燃機関の排気系故障診断装置 | |
| JPH02185634A (ja) | アルコール内燃機関の空燃比制御装置 | |
| US6470674B1 (en) | Deterioration detecting apparatus and method for engine exhaust gas purifying device | |
| JPH0417747A (ja) | 内燃機関の空燃比制御装置 | |
| KR0166978B1 (ko) | 복수의 실린더를 구비한 내연기관용 전자식 엔진제어방법 | |
| JPH0412151A (ja) | 内燃機関の空燃比制御装置 | |
| US20040211168A1 (en) | Deterioration detecting device for oxygen concentration sensor | |
| JP2707674B2 (ja) | 空燃比制御方法 | |
| US20040182379A1 (en) | Deterioration determining apparatus and deterioration determining method for oxygen sensor | |
| JP2676987B2 (ja) | 内燃機関の空燃比制御装置 | |
| JP3620051B2 (ja) | エンジン用触媒劣化検出装置 | |
| JP2007211609A (ja) | 内燃機関の気筒別空燃比制御装置 | |
| JPH0543253Y2 (en, 2012) | ||
| JP2927074B2 (ja) | 内燃機関の空燃比制御装置 | |
| JP2002130010A (ja) | 内燃機関の制御装置 | |
| JPS6358255B2 (en, 2012) | ||
| US6901920B2 (en) | Engine control apparatus having cylinder-by-cylinder feedback control | |
| JP2606389B2 (ja) | 空燃比制御装置の診断装置 | |
| JP3031164B2 (ja) | 内燃機関の回転変動検出方法 | |
| JP2806248B2 (ja) | 内燃機関の触媒劣化診断装置 | |
| JP2592349B2 (ja) | 内燃機関の空燃比制御装置 | |
| JPH11125112A (ja) | 内燃機関の触媒劣化検出装置 | |
| JP3966177B2 (ja) | 内燃機関の空燃比制御装置 |