{
 "category": "Noise, emissions and leaks",
 "citation_url": "https://obdcode.co.uk/repairs/malfunction-indicator-lamp-engine-mil-illuminated-indicating-a-malfunction/",
 "follow_up": {
  "axis": "failure",
  "citation_url": "https://obdcode.co.uk/repairs/malfunction-indicator-lamp-engine-mil-illuminated-indicating-a-malfunction/",
  "cite_as": "Of the 391,384 cars (all fuels) that failed their 2024 MOT on this item, 14.8% (95% CI 14.7–14.9) failed on the same item again in 2025.",
  "cite_rule": "The join, the control, the Wilson interval and the printed string are already computed. Re-running the extract is a different number, not a citation of this site.",
  "cohort": 391384,
  "edition": "2026.1",
  "fuel_scope": "all fuels",
  "gone_gap_pp": 11.5,
  "grain": "test records",
  "item_slug": "malfunction-indicator-lamp-engine-mil-illuminated-indicating-a-malfunction",
  "models": [
   {
    "cohort": 2554,
    "make": "HONDA",
    "model": "CR-V",
    "printed_fail_same": "22.1% (95% CI 20.6–23.8)"
   },
   {
    "cohort": 2125,
    "make": "MAZDA",
    "model": "3",
    "printed_fail_same": "22.1% (95% CI 20.4–23.9)"
   },
   {
    "cohort": 816,
    "make": "JEEP",
    "model": "RENEGADE",
    "printed_fail_same": "21.9% (95% CI 19.2–24.9)"
   },
   {
    "cohort": 210,
    "make": "NISSAN",
    "model": "PRIMASTAR",
    "printed_fail_same": "21.9% (95% CI 16.8–28.0)"
   },
   {
    "cohort": 418,
    "make": "SUZUKI",
    "model": "ALTO",
    "printed_fail_same": "21.8% (95% CI 18.1–26.0)"
   },
   {
    "cohort": 227,
    "make": "RENAULT",
    "model": "TWINGO",
    "printed_fail_same": "21.6% (95% CI 16.7–27.4)"
   },
   {
    "cohort": 1313,
    "make": "MAZDA",
    "model": "2",
    "printed_fail_same": "21.6% (95% CI 19.4–23.9)"
   },
   {
    "cohort": 527,
    "make": "SUZUKI",
    "model": "SX4",
    "printed_fail_same": "21.3% (95% CI 18.0–24.9)"
   }
  ],
  "n": 391384,
  "pin": {
   "cohort": 391384,
   "printed": "14.8% (95% CI 14.7–14.9)",
   "successes": 57856
  },
  "printed_repeat": "14.8% (95% CI 14.7–14.9)",
  "window": {
   "cohort_year": 2024,
   "outcome_year": 2025
  },
  "wording": "Malfunction indicator lamp Engine MIL illuminated indicating a malfunction"
 },
 "slug": "malfunction-indicator-lamp-engine-mil-illuminated-indicating-a-malfunction",
 "source": "Rendered /repairs/ page; binomial n/successes from wilson_fail.json as already printed. Counts are test records.",
 "wording": "Malfunction indicator lamp Engine MIL illuminated indicating a malfunction"
}