SFI SYSTEM > PROBLEM SYMPTOMS TABLE

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Use the table below to help determine the cause of the problem symptom. The potential cases of the symptoms are listed in order of probability in the "Suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Symptom	Suspected area	See page
Engine does not crank (Does not start)	Immobiliser system	Click here
	Starter	Click here
	Starter relay	Click here
	Park/neutral position switch	-
No initial combustion (Does not start)	ECM power source circuit	Click here
	Fuel pump control circuit	Click here
	ECM	Click here
Engine cranks normally but difficult to start	Fuel pump control circuit	Click here
Engine cranks normally but difficult to start	Compression	Click here
Difficult to start with cold engine	Cranking holding function circuit	Click here
	Ignition system	Click here
	Spark plug	Click here
	Fuel pump control circuit	Click here
	Injector	Click here
Difficult to start with warm engine	Cranking holding function circuit	Click here
	Injector	Click here
	Ignition system	Click here
	Spark plug	Click here
	Fuel pump control circuit	Click here
High engine idle speed (Poor idling)	ECM power source circuit	Click here
	A/C signal circuit (compressor circuit)	Click here
	Electronic throttle control system	Click here
	Air induction system	Click here
	PCV hose	-
Low engine idle speed (Poor idling)	A/C signal circuit (compressor circuit)	Click here
	Fuel pump control circuit	Click here
	Electronic throttle control system	Click here
	Air induction system	Click here
	PCV hose	-
Rough idling (Poor idling)	Compression	Click here
	Fuel pump control circuit	Click here
	Electronic throttle control system	Click here
	Air induction system	Click here
	PCV hose	-
Hunting (Poor idling)	ECM power source circuit	Click here
	Fuel pump control circuit	Click here
	Spark plug	Click here
	Ignition system	Click here
	Injector	Click here
	Electronic throttle control system	Click here
	Air induction system	Click here
	PCV hose	-
Hesitation/ Poor acceleration (Poor driveability)	Fuel pump control circuit	Click here
	Spark plug	Click here
	Ignition system	Click here
	Injector	Click here
Surging (Poor driveability)	Spark plug	Click here
	Fuel pump control circuit	Click here
	Ignition system	Click here
	Injector	Click here
Engine stalls soon after starting	Fuel pump control circuit	Click here
	Spark plug	Click here
	Ignition system	Click here
	Injector	Click here
	Vacuum sensor circuit	-
Engine stalls during A/C operation	A/C signal circuit (Compressor circuit)	Click here
Engine stalls during A/C operation	ECM	Click here