End

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes 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.

SFI system_

Symptom

Suspected area

See page

Engine does not crank (Does not start)

1. Battery

CH-4

2. Starter

ST-8

3. Starter relay

ST-16

4. Park/neutral position switch

AX-108

5. Immobiliser system

EI-3

No initial combustion (Does not start)

1. ECM power source circuit

ES-366

2. Crankshaft position sensor

ES-402

3. Camshaft position sensor

ES-399

4. Ignition system

IG-4

5. Fuel pump control circuit

ES-378

6. ECM

ES-26

7. VC output circuit

ES-373

Engine cranks normally but difficult to start

1. Fuel pump control circuit

ES-378

2. Compression

EM-3

Difficult to start with cold engine

1. Ignition system

IG-4

2. Spark plug

IG-7

3. Fuel pump control circuit

ES-378

4. Injector

FU-11

Difficult to start with warm engine

1. Injector

FU-11

2. Ignition system

IG-4

3. Spark plug

IG-7

4. Fuel pump control circuit

ES-378

High engine idle speed

1. Electronic throttle control system

ES-265

2. A/C signal circuit

-

3. ECM power source circuit

ES-366

Low engine idle speed (Poor idling)

1. Electronic throttle control system

ES-265

2. A/C signal circuit

-

3. Fuel pump control circuit

ES-378

4. Air induction system

EC-7

5. PCV hose

EC-7

Rough idling

1. Compression

EM-3

2. Spark plug

IG-7

3. Injector

FU-11

4. Ignition system

IG-4

5. Fuel pump control circuit

ES-378

6. Electronic throttle control system

ES-265

7. Air induction system

EC-7

8. PCV hose

EC-7

9. Mass air flow meter

ES-391

ES

Symptom

Suspected area

See page

Idle hunting

1. Electronic throttle control system

ES-265

2. Air induction system

EC-7

3. ECM power source circuit

ES-366

Hesitation/Poor acceleration

1. Fuel pump control circuit

ES-378

2. Spark plug

IG-7

3. Ignition system

IG-4

4. Injector

FU-11

5. Mass air flow meter

ES-391

6. Electronic throttle control system

ES-265

7. Air induction system

EC-7

8. Compression

EM-3

Surging (Poor driveability)

1. Spark plug

IG-7

2. Fuel pump control circuit

ES-378

3. Ignition system

IG-4

4. Injector

FU-11

5. Mass air flow meter

ES-391

6. Variable valve timing system

ES-66

7. Compression

EM-3

Engine stalls soon after starting

1. Fuel pump control circuit

ES-378

2. Spark plug

IG-7

3. Ignition system

IG-4

4. Injector

FU-11

5. Variable valve timing system

ES-66

6. Electronic throttle control system

ES-265

7. Air induction system

EC-7

8. PCV hose

EC-7

9. Compression

EM-3

Engine stalls only during A/C operation

1. A/C signal circuit

-

2. ECM

ES-26

Unable/difficult to refuel

1. Refueling valve (canister)

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