Mazda MX-5 NA silhouetteMX-5 NA

TROUBLESHOOTING GUIDE — 5 CRANKS NORMALLY BUT HARD TO START — ALWAYS

F-26prose procedure

5 — CRANKS NORMALLY BUT HARD TO START — ALWAYS

Description & Troubleshooting Hints

DESCRIPTION
ContentEngine cranks at normal speed but requires excessive cranking time (more than 5 sec.) before starting; Battery in normal condition
TROUBLESHOOTING HINTS
Content(1) Air/Fuel mixture too lean — Fuel injection control malfunction (Correction for coolant temperature), Low fuel line pressure, Air leakage. (2) Air/Fuel mixture too rich — Air cleaner element clogged, Airflow meter stuck. (3) Poor ignition spark.

Symptom 5 troubleshooting steps

Rendering diagram…
Intake manifold vacuum at idleat idle
More than 450mmHg (17.7 inHg)
Fuel line pressureat idle, vacuum hose to pressure regulator disconnected
265—314kPa (2.7—3.2 kg/cm², 38—46 psi)

Search Manual

Search pages, specs, and procedures