# Fuel injector injection volume (NB2, non-turbo)

Canonical URL: https://miatatorque.com/spec/fuel-injector-injection-volume-nb2/

Applicability: NB 2001–2005 (BP-Z3) — Other years inferred from 2003 factory evidence.

Confidence: fsm

66–82 ml per 15 s

Always confirm against your factory manual. Match every restriction and follow all stages and procedure notes. Disputed claims must not be automatically resolved. The complete record below preserves every printed unit, source claim and procedure.

```json
{
  "id": "fuel-injector-injection-volume-nb2",
  "name": "Fuel injector injection volume (NB2, non-turbo)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        2001,
        2005
      ],
      "engines": [
        "BP-Z3"
      ],
      "note": "Other years inferred from 2003 factory evidence."
    }
  ],
  "kind": "non-torque",
  "value_text": "66–82 ml per 15 s",
  "procedure": {
    "notes": "Engine stopped; factory pump and injector/SST test setup, PDF pp. 701–703. Collect each injector output in a graduated container over 15 s. Printed ml is authoritative; the source imperial bounds are inconsistent. This is a test quantity, not a system fluid capacity."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-2003",
      "page": "Fuel Injector Inspection — Fuel Leakage and Volume Test (PDF p. 703)",
      "as_printed": "Injection volume\n66—82 ml {66—82 cc, 2.3—2.7 fl oz}/15 s.",
      "verified_years": [
        2003,
        2003
      ],
      "document": {
        "id": "fsm-2003",
        "tier": 1,
        "title": "2003 Mazda MX-5 Miata Workshop Manual (electronic manual capture)",
        "covers": [
          {
            "gen": "NB",
            "years": [
              2003,
              2003
            ],
            "engines": [
              "BP-Z3"
            ]
          }
        ],
        "note": "Normally aspirated BP procedures audited; turbo procedures are covered separately."
      }
    }
  ],
  "jobs": [],
  "system": "fuel-intake",
  "component": "inventory-pass-2026-10",
  "componentName": "Service measurements and fasteners",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/fuel-injector-injection-volume-nb2/"
}
```