Mazda MX-5 NA silhouetteMX-5 NA

TROUBLESHOOTING GUIDE — 3 CRANKS NORMALLY BUT WILL NOT START (PARTIAL COMBUSTION) — WHEN ENGINE IS COLD

F-22prose procedure

3 — CRANKS NORMALLY BUT WILL NOT START (PARTIAL COMBUSTION) — WHEN ENGINE IS COLD

Description & Troubleshooting Hints

DESCRIPTION
ContentEngine cranks at normal speed but shows partial combustion and will not continue to run; Battery in normal condition; Fuel in tank
TROUBLESHOOTING HINTS
Content(1) Air/Fuel mixture too rich — Air cleaner element clogged, Airflow meter stuck. (2) Air/Fuel mixture too lean — Fuel injection control malfunction (Correction for coolant temperature), Low fuel line pressure, Air leakage of intake air system. (3) Low engine compression.

Symptom 3 troubleshooting steps

Rendering diagram…
Fuel line pressureignition switch ON, F/P-GND jumpered
265—314kPa (2.7—3.2 kg/cm², 38—46 psi)

Search Manual

Search pages, specs, and procedures