# Machine-readable index of known-issue entries.
# Add one entry per issue when contributing; keep in sync with README tables.
# severity: critical (catastrophic/safety) | major (expensive but contained) | annoyance
schema_version: 1
entries:
  - id: bmw-n20-timing-chain
    title: "Timing chain and oil pump drive chain guide failure"
    make: BMW
    platform: "N20/N26 2.0L turbo four"
    models: "F30 320i/328i, F10 528i, E84 X1, F25 X3 and other N20/N26 models"
    years: "2011-2015 (approx. production; revised module ~01/2015)"
    severity: critical
    tags: [engine, timing-chain, oil-pump]
    files:
      en: bmw-n20-timing-chain.md
      ja: bmw-n20-timing-chain.ja.md
  - id: toyota-2az-fe-oil-consumption
    title: "Excessive oil consumption (piston oil control rings)"
    make: Toyota
    platform: "2AZ-FE 2.4L four"
    models: "Camry, RAV4, Scion tC/xB and other 2AZ-FE models"
    years: "2006-2011 (approx. production)"
    severity: major
    tags: [engine, oil-consumption, pistons]
    files:
      en: toyota-2az-fe-oil-consumption.md
      ja: toyota-2az-fe-oil-consumption.ja.md
  - id: subaru-ej25-head-gasket
    title: "External head gasket leaks (SOHC EJ25)"
    make: Subaru
    platform: "EJ251/EJ252/EJ253 2.5L SOHC flat-four"
    models: "Legacy/Outback, Forester, Impreza (non-turbo)"
    years: "1999-2011 (approx., model-dependent)"
    severity: major
    tags: [engine, head-gasket, coolant]
    files:
      en: subaru-ej25-head-gasket.md
      ja: subaru-ej25-head-gasket.ja.md
  - id: honda-idcd-dct-judder
    title: "i-DCD 7-speed DCT judder and engagement faults"
    make: Honda
    platform: "i-DCD hybrid (7-speed dual-clutch with integrated motor)"
    models: "Fit Hybrid GP5/GP6, Vezel Hybrid RU3/RU4, Grace, Shuttle, Freed Hybrid"
    years: "2013-2015 (focus; campaigns continued after)"
    severity: major
    tags: [transmission, dct, hybrid, recall]
    files:
      en: honda-idcd-dct-judder.md
      ja: honda-idcd-dct-judder.ja.md
  - id: nissan-jatco-cvt-failure
    title: "CVT overheating, judder, and premature failure"
    make: Nissan
    platform: "Jatco CVT (RE0F09A/RE0F10A/JF011E/JF015E/JF016E)"
    models: "Serena, X-Trail, Note, Teana, Altima, Rogue, Sentra, Versa, Murano and other CVT Nissans"
    years: "2003-2018 (worst: 2003-2010 and 2013-2016)"
    severity: major
    tags: [transmission, cvt, overheating, judder]
    files:
      en: nissan-jatco-cvt-failure.md
      ja: nissan-jatco-cvt-failure.ja.md
  - id: toyota-zvw30-prius-egr-head-gasket
    title: "EGR clogging and head gasket failure"
    make: Toyota
    platform: "2ZR-FXE 1.8L hybrid (ZVW30 Prius)"
    models: "Prius ZVW30; related Prius v/alpha, Lexus CT200h, early Prius PHV"
    years: "2009-2015 (failures concentrate at ~150,000 km+)"
    severity: major
    tags: [engine, egr, head-gasket, hybrid, carbon]
    files:
      en: toyota-zvw30-prius-egr-head-gasket.md
      ja: toyota-zvw30-prius-egr-head-gasket.ja.md
  - id: mazda-fd3s-13b-rew-compression-loss
    title: "Rotary compression loss (apex/side/coolant seals)"
    make: Mazda
    platform: "13B-REW twin-rotor sequential twin-turbo"
    models: "RX-7 FD3S"
    years: "1991-2002 (wear/heat life-limit, all years)"
    severity: major
    tags: [engine, rotary, compression, apex-seal, overheating]
    files:
      en: mazda-fd3s-13b-rew-compression-loss.md
      ja: mazda-fd3s-13b-rew-compression-loss.ja.md
  - id: subaru-ej20t-ringland-bearing
    title: "Piston ringland cracking and rod bearing failure"
    make: Subaru
    platform: "EJ205/EJ207/EJ255/EJ257 turbo flat-four"
    models: "Impreza WRX/STI GC8, GDA/GDB, GRB/GVB; Legacy/Forester turbo"
    years: "1992-2014 (risk scales with tune state and use)"
    severity: major
    tags: [engine, piston, ringland, bearing, detonation, tuning]
    files:
      en: subaru-ej20t-ringland-bearing.md
      ja: subaru-ej20t-ringland-bearing.ja.md
  - id: nissan-rb26-oil-pump-drive
    title: "Oil pump drive failure and oil starvation"
    make: Nissan
    platform: "RB26DETT 2.6L twin-turbo inline-six"
    models: "Skyline GT-R BNR32/BCNR33/BNR34; RB26 swaps"
    years: "1989-2002 (early BNR32 narrow drive collar worst)"
    severity: critical
    tags: [engine, oil-pump, oil-starvation, track-use]
    files:
      en: nissan-rb26-oil-pump-drive.md
      ja: nissan-rb26-oil-pump-drive.ja.md
  - id: nissan-sr20det-chain-guide-rattle
    title: "Timing chain guide rattle"
    make: Nissan
    platform: "SR20DET/SR20DE 2.0L four"
    models: "Silvia/180SX S13, Silvia S14/S15, Pulsar GTI-R and other SR20 models"
    years: "1989-2002 (age/mileage-driven, all years)"
    severity: annoyance
    tags: [engine, timing-chain, chain-guide, noise]
    files:
      en: nissan-sr20det-chain-guide-rattle.md
      ja: nissan-sr20det-chain-guide-rattle.ja.md
  - id: honda-rk-stepwgn-cvt-judder
    title: Transmission identification before judder diagnosis (correction)
    make: Honda
    platform: R20A; CVT or 5AT depending on drive layout and production revision
    models: Step WGN RK1/RK2; Step WGN Spada RK5/RK6
    years: 2009-2015; revised 4WD adopted CVT in June 2012
    severity: major
    tags:
    - transmission
    - cvt
    - 5at
    - judder
    - identification
    - correction
    - minivan
    markets:
    - Japan
    evidence_type: manufacturer_specification
    campaign_ids: []
    source_urls:
    - https://global.honda/jp/news/2009/4091009-stepwgn.html
    - https://global.honda/jp/news/2012/4120531-stepwgn.html
    - https://www.honda.co.jp/auto-archive/stepwgn/spada/2012/webcatalog/driving/
    last_verified: '2026-10-30'
    files:
      en: honda-rk-stepwgn-cvt-judder.md
      ja: honda-rk-stepwgn-cvt-judder.ja.md
  - id: toyota-86-subaru-brz-valve-spring
    title: Toyota 86 / Subaru BRZ — valve spring recall
    make: Toyota / Subaru
    platform: ZN6 / ZC6
    models: Toyota 86 ZN6; Subaru BRZ ZC6
    years: 2012-2013 (specified production ranges only)
    severity: critical
    tags:
    - engine
    - valve-spring
    - recall
    - sports-car
    markets:
    - Japan
    evidence_type: recall
    campaign_ids:
    - '4361'
    source_urls:
    - https://toyota.jp/recall/2018/1101_1.html
    - https://www.subaru.co.jp/recall/data/18-11-01-01.html
    last_verified: '2026-10-30'
    files:
      en: toyota-86-subaru-brz-valve-spring.md
      ja: toyota-86-subaru-brz-valve-spring.ja.md
  - id: honda-nbox-jf3-jf4-fuel-pump
    title: Honda N-BOX JF3/JF4 — low-pressure fuel pump recall
    make: Honda
    platform: N-BOX JF3 / JF4
    models: N-BOX / N-BOX Custom JF3 and JF4
    years: 2017-2020 (listed DBA/6BA chassis subranges only)
    severity: critical
    tags:
    - fuel-system
    - fuel-pump
    - recall
    - kei-car
    markets:
    - Japan
    evidence_type: recall
    campaign_ids:
    - '5423'
    source_urls:
    - https://www.honda.co.jp/recall/auto/info/231208_5423.html
    - https://www.mlit.go.jp/report/press/jidosha08_hh_004984.html
    last_verified: '2026-10-30'
    files:
      en: honda-nbox-jf3-jf4-fuel-pump.md
      ja: honda-nbox-jf3-jf4-fuel-pump.ja.md
  - id: suzuki-wagon-r-mh23s-evaporator-leak
    title: Suzuki Wagon R MH23S — evaporator refrigerant leak
    make: Suzuki
    platform: Wagon R MH23S
    models: Wagon R MH23S (listed subranges)
    years: 2008-2012 (specified production subranges only)
    severity: major
    tags:
    - air-conditioning
    - evaporator
    - refrigerant
    - warranty-extension
    - kei-car
    markets:
    - Japan
    evidence_type: warranty_extension
    campaign_ids: []
    source_urls:
    - https://www.suzuki.co.jp/about/recall/2015/1218b/index.html
    last_verified: '2026-10-30'
    files:
      en: suzuki-wagon-r-mh23s-evaporator-leak.md
      ja: suzuki-wagon-r-mh23s-evaporator-leak.ja.md
  - id: daihatsu-tanto-la600s-brake-booster-corrosion
    title: Daihatsu Tanto LA600S/LA610S — brake booster corrosion
    make: Daihatsu
    platform: Tanto LA600S / LA610S
    models: Tanto DBA-LA600S and DBA-LA610S
    years: 2013-2016 (specified production ranges only)
    severity: critical
    tags:
    - brakes
    - brake-booster
    - corrosion
    - recall
    - kei-car
    markets:
    - Japan
    evidence_type: recall
    campaign_ids:
    - '4471'
    source_urls:
    - https://www.daihatsu.co.jp/info/recall/99273.htm
    - https://www.mlit.go.jp/common/001289447.pdf
    last_verified: '2026-10-30'
    files:
      en: daihatsu-tanto-la600s-brake-booster-corrosion.md
      ja: daihatsu-tanto-la600s-brake-booster-corrosion.ja.md
  - id: nissan-serena-c26-eco-motor-bearing
    title: Nissan Serena C26 — ECO motor bearing recall
    make: Nissan
    platform: Serena C26 / FC26 / NC26 / FNC26
    models: ECO-motor idle-stop Serena C26, FC26, NC26, FNC26
    years: 2010-2016 (model-code-specific production ranges)
    severity: critical
    tags:
    - eco-motor
    - bearing
    - idle-stop
    - recall
    - minivan
    markets:
    - Japan
    evidence_type: recall
    campaign_ids:
    - '5268'
    source_urls:
    - https://www.nissan.co.jp/RECALL/DATA/report5268.html
    - https://www.recall.caa.go.jp/result/detail.php?rcl=00000030366&screenkbn=03
    last_verified: '2026-10-30'
    files:
      en: nissan-serena-c26-eco-motor-bearing.md
      ja: nissan-serena-c26-eco-motor-bearing.ja.md
  - id: mazda-cx5-ke2-injector-seal-oil-strainer
    title: Mazda CX-5 KE2 — injector sealing and oil-strainer blockage
    make: Mazda
    platform: CX-5 KE2FW / KE2AW diesel
    models: Diesel CX-5 LDA-KE2FW and LDA-KE2AW; item (1) subset only
    years: 2012-2016 (campaign envelope; item (1) is a subset)
    severity: critical
    tags:
    - diesel
    - injector
    - oil-pressure
    - oil-strainer
    - recall
    - suv
    markets:
    - Japan
    evidence_type: recall
    campaign_ids:
    - '3997'
    source_urls:
    - https://www2.mazda.co.jp/service/recall/ra/20170217107/
    - https://www.recall.caa.go.jp/result/detail.php?rcl=00000017281&screenkbn=01
    last_verified: '2026-10-30'
    files:
      en: mazda-cx5-ke2-injector-seal-oil-strainer.md
      ja: mazda-cx5-ke2-injector-seal-oil-strainer.ja.md