Diagnostic Procedure 11 — Engine Stalls when the Engine is Hot

CHECK FUEL VAPOR. 1. Disconnect fuel pressure regulator vacuum hose and plug hose. 2. Perform cruise test. 3. Does the engine stall disappear?

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?

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?

(Go to A on next page.)