Diagnostic Procedure 17 — Engine lacks power or stumbles (Cont'd)
EF & EC-110flowchartDiagnostic Procedure 17 — Engine lacks power or stumbles (Cont'd)
1
A (from previous page)
2
Check throttle sensor. [CONSULT] Conduct self-diagnosis and 'Real Time Diagnosis' with 'DATA MONITOR' showing on display. Refer to 'CONSULT'. [No CONSULT] Conduct self-diagnosis Mode II. (Refer to 'Self-Diagnosis'.)
N.G.
Check throttle sensor and circuit. Refer to 'Throttle Sensor' (See page EF&EC-143)
O.K.
3
Check air flow meter. Check for operation. (Refer to 'Air Flow Meter'. (See page EF&EC-134)
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 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 EF&EC-140)
O.K.
6
Check spark plugs. Remove spark plugs from engine and check for contaminants, damage and proper spark gaps.
N.G.
same as step 3
O.K.
7
B (continues to next page)