# Engine oil pressure at 3,000 rpm (NA6)

Canonical URL: https://miatatorque.com/spec/engine-oil-pressure-3000-rpm-na6/

Applicability: NA 1990–1993 (B6) — Other years inferred from 1990 factory evidence.

Confidence: fsm

294–392 kPa (3.0–4.0 kg/cm², 43–57 psi)–3,000 rpm

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": "engine-oil-pressure-3000-rpm-na6",
  "name": "Engine oil pressure at 3,000 rpm (NA6)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NA",
      "years": [
        1990,
        1993
      ],
      "engines": [
        "B6"
      ],
      "note": "Other years inferred from 1990 factory evidence."
    }
  ],
  "kind": "non-torque",
  "value_text": "294–392 kPa (3.0–4.0 kg/cm², 43–57 psi)–3,000 rpm",
  "procedure": {
    "notes": "Warm the engine to normal operating temperature. Measure using the factory gauge at the oil-pressure sender opening; these are running pressure readings, not the oil-pump relief pressure."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-1990",
      "page": "D–4 (PDF p. 121)",
      "as_printed": "294—392 kPa (3.0—4.0 kg/cm², 43—57 psi)—3,000 rpm",
      "verified_years": [
        1990,
        1990
      ],
      "document": {
        "id": "fsm-1990",
        "tier": 1,
        "title": "1990 Mazda MX-5 Miata Workshop Manual",
        "part_number": "1193-10-89C",
        "covers": [
          {
            "gen": "NA",
            "years": [
              1990,
              1990
            ],
            "engines": [
              "B6"
            ]
          }
        ],
        "url": "https://archive.org/details/1990-mazda-mx-5-miata-workshop-manual_202411"
      }
    }
  ],
  "jobs": [],
  "system": "lubrication",
  "component": "inventory-pass-2026-10",
  "componentName": "Service measurements and fasteners",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/engine-oil-pressure-3000-rpm-na6/"
}
```