Showing specs for all NA & NB Miatas

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

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

Factory manualTaken from a Mazda factory workshop manual, with page citation.
Procedure

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.

Applies to
  • NB 2001–2005 (BP-Z3) — Other years inferred from 2003 factory evidence.
  • Verified in: 2003 Mazda MX-5 Miata Workshop Manual (electronic manual capture)

Sources (1)

View 1 source citations
  • 2003 Mazda MX-5 Miata Workshop Manual (electronic manual capture)Tier 1
    Page Fuel Pump (FP) Pressure Inspection (PDF p. 716) · Printed value & notes
    Page Fuel Pump (FP) Pressure Inspection (PDF p. 716)
    Printed: “FP maximum pressure Less than 637 kPa {6.5 kgf/cm², 92 psi}”