TROUBLESHOOTING GUIDE — SYMPTOM TROUBLESHOOTING
F-20prose procedureSYMPTOM TROUBLESHOOTING
2 — CRANKS NORMALLY BUT WILL NOT START (NO COMBUSTION)
Description & Troubleshooting Hints
DESCRIPTION
ContentEngine cranks at normal speed but shows no sign of "firing"; Battery in normal condition; Throttle valve not held fully open while cranking; Fuel in tank
TROUBLESHOOTING HINTS
ContentBecause of no combustion, possibly no fuel is injected to engine or no ignition at all cylinders. (1) No spark — Ignition control malfunction, Ignition system component malfunction. (2) No fuel injection — Fuel pump does not operate, Injector does not operate. (3) Low fuel line pressure. (4) Low engine compression.
Symptom 2 troubleshooting steps
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