Diagnostic Procedure 12 — Engine stalls when cold (Cont'd)
EF & EC-90flowchartTROUBLE DIAGNOSES
Diagnostic Procedure 12 — Engine stalls when cold (Cont'd)
1
A (from previous page)
2
Check spark gaps. Turn ignition switch "OFF". Remove spark plugs. Install new or good spark plugs. While moving rear end of each spark plug close to grounding point, crank engine. Check for sparks.
N.G.
Check ignition coil, power transistor and related circuits. Refer to "Ignition Signal". (See page EF&EC-140).
O.K.
3
Check spark plugs. Remove spark plugs from engine and check for contaminants, damage and proper spark gaps.
N.G.
Repair or replace.
O.K.
4
Check ignition system. Check for operation. Refer to "Ignition Signal". (See page EF&EC-140).
N.G.
same as step 3
O.K.
5
Check engine temperature sensor. CONSULT method: Conduct self-diagnosis and "Real-Time Diagnosis" with "DATA MONITOR" showing on display. (Refer to "CONSULT".) No-tool method: Conduct self-diagnosis mode II. (Refer to "Self-Diagnosis".)
N.G.
Check water temperature sensor and circuit. Refer to "Engine Temperature Sensor". (See page EF&EC-137).
O.K.
6
B (continues to next page)