SFI SYSTEM > PROBLEM SYMPTOMS TABLE

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HINT:

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)	- Starter	Click here
	- STARTER relay	Click here
	- Engine Switch	Click here
No initial combustion (does not start)	- ECM power source circuit	Click here
	- Fuel pump control circuit	Click here
	- ECM	Click here
Engine cranks normally (difficult to start)	- Fuel pump control circuit	Click here
Engine cranks normally (difficult to start)	- Compression	Click here
Cold engine (difficult to start)	- Starter signal circuit	Click here
	- Fuel pump control circuit	Click here
	- Spark plug	Click here
	- Ignition system	Click here
	- Injector	Click here
Hot engine (difficult to start)	- Starter signal circuit	Click here
	- Fuel pump control circuit	Click here
	- Spark plug	Click here
	- Ignition system	Click here
	- Injector	Click here
High engine idle speed	- A/C signal circuit (compressor circuit)	Click here
	- ECM power source circuit	Click here
	- Electronic throttle control system	Click here
	- Air induction system	Click here
	- PCV hose	-
Low engine idle speed	- 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	- Compression	Click here
	- Fuel pump control circuit	Click here
	- Electronic throttle control system	Click here
	- Air induction system	Click here
	- PCV hose	-
Hunting (when 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
	- A/T faulty	Click here
	- Spark plug	Click here
	- Ignition system	Click here
	- Injector	Click here
Surging (poor driveability)	- Fuel pump control circuit	Click here
	- Spark plug	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
Engine stalls during A/C operation	- A/C signal circuit (compressor circuit)	Click here
Engine stalls during A/C operation	- ECM	Click here
Unable/difficult to refuel	- Refueling valve (canister)	-