Diagnostic Procedure 10 — Engine Stalls when Turning
EF & EC-539flowchartSR20DET engine.
Diagnostic Procedure 10 — Engine Stalls when Turning
1
CHECK FUEL LEVEL. Check to see that there is enough fuel in tank.
N.G.
Fill fuel tank with fuel.
O.K.
2
PERFORM POWER BALANCE TEST. 1. Perform "POWER BALANCE" in "ACTIVE TEST" mode. 2. Is there any cylinder which does not produce a momentary engine speed drop? — OR — When disconnecting each injector harness connector one at a time, is there any cylinder which does not produce a momentary engine speed drop?
No
Go to 5.
Yes
3
CHECK INJECTOR. 1. Remove distributor from engine. (Crank angle sensor harness connector should remain connected.) 2. Disconnect ignition wires. 3. Turn ignition switch ON. (Do not start engine.) 4. When rotating distributor shaft slowly by hand, does each injector make an operating sound?
No
Check injector(s) or circuit(s).
Yes
4
CHECK IGNITION SPARK. 1. Disconnect ignition wire from spark plug. 2. Connect a known good spark plug to the ignition wire. 3. Place end of spark plug against a suitable ground and crank engine. 4. Check for spark.
N.G.
Check ignition coil, power transistor and circuits. (See page EF & EC-576.)
O.K.
5
(Go to A on next page.)