# Fuel pump maximum-pressure inspection limit (NB2, non-turbo)

Canonical URL: https://miatatorque.com/spec/fuel-pump-maximum-pressure-inspection-nb2/

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

Confidence: fsm

Less than 637 kPa {6.5 kgf/cm², 92 psi}

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-pump-maximum-pressure-inspection-nb2",
  "name": "Fuel pump maximum-pressure inspection limit (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": "Less than 637 kPa {6.5 kgf/cm², 92 psi}",
  "procedure": {
    "notes": "Engine stopped, using the complete factory pressure-test setup at the fuel-filter outlet (PDF pp. 713–716), with SST outlet plugged as directed. Operate pump with ignition ON and specified DLC connection. Source labels this maximum pressure and prints a less-than limit; do not substitute it for a normal running rail-pressure target."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-2003",
      "page": "Fuel Pump (FP) Pressure Inspection (PDF p. 716)",
      "as_printed": "FP maximum pressure\nLess than 637 kPa {6.5 kgf/cm², 92 psi}",
      "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-pump-maximum-pressure-inspection-nb2/"
}
```