Check For Intermittent Problems

PROBLEM SYMPTOMS TABLE

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)

1. Immobilizer system

EI-3

2. Starter

ST-6

3. STARTER relay

ST-12

No initial combustion (Does not start)

1. ECM power source circuit

ES-425

2. Fuel pump control circuit

ES-433

3. VC output circuit

ES-430

4. ECM

ES-467

Engine cranks normally but difficult to start

1. Fuel pump control circuit

ES-433

2. Compression

EM-3

Difficult to start with cold engine

1. Starter signal circuit

ES-262

2. Fuel pump control circuit

ES-433

3. Spark plug

IG-4

4. Ignition system

IG-3

5. Injector

FU-13

Difficult to start with warm engine

1. Starter signal circuit

ES-262

2. Fuel pump control circuit

ES-433

3. Spark plug

IG-4

4. Ignition system

IG-3

5. Injector

FU-13

High engine idling speed (Poor idling)

1. A/C signal circuit (compressor circuit)

AC-5

2. ECM power source circuit

ES-425

3. Electronic throttle control system

ES-452

4. Air induction system

IT-3

5. PCV hose

EC-23

Low engine idling speed (Poor idling)

1. A/C signal circuit (compressor circuit)

AC-5

2. Fuel pump control circuit

ES-433

3. Electronic throttle control system

ES-452

4. Air induction system

IT-3

5. PCV hose

EC-23

Rough idling (Poor idling)

1. Compression

EM-3

2. Fuel pump control circuit

ES-433

3. Electronic throttle control system

ES-452

4. Air induction system

IT-3

5. PCV hose

EC-23

6. Mass air flow meter

ES-442

ES

Symptom

Suspected area

See page

Hunting (Poor idling)

1. ECM power source circuit

ES-425

2. Fuel pump control circuit

ES-433

3. Spark plug

IG-4

4. Ignition system

IG-3

5. Injector

FU-13

6. Electronic throttle control system

ES-452

7. Air induction system

IT-3

8. PCV hose

EC-23

Hesitation/Poor acceleration (Poor driveability)

1. Fuel pump control circuit

ES-433

2. A/T faulty*

AT-8

3. Spark plug

IG-4

4. Ignition system

IG-3

5. Injector

FU-13

6. Mass air flow meter

ES-442

Surging (Poor driveability)

1. Fuel pump control circuit

ES-433

2. Spark plug

IG-4

3. Ignition system

IG-3

4. Injector

FU-13

5. Mass air flow meter

ES-442

Engine stalls soon after starting

1. Fuel pump control circuit

ES-433

2. Spark plug

IG-4

3. Ignition system

IG-3

4. Injector

FU-13

Engine stalls during A/C operation

1. A/C signal circuit (Compressor circuit)

AC-5

2. ECM

ES-467

Unable/difficult to refuel

1. Refueling valve (canister)

EC-20

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