FixVault

Problem Symptoms Table

WARNING: This page is about a different car, the 2007 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

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: 

SFI SYSTEM SYMPTOM CHART

Symptom Suspected Area See
Engine does not crank (Does not start) 1. Battery PROBLEM SYMPTOMS TABLE
2. Starter INSPECTION
3. Starter relay INSPECTION
4. Park/neutral position switch (Automatic transaxle) INSTALLATION
5. Clutch start switch (Manual transaxle) ON-VEHICLE INSPECTION
6. Immobiliser system SYSTEM DESCRIPTION
No initial combustion (Does not start) 1. ECM power source circuit ECM POWER SOURCE CIRCUIT 
2. Crankshaft position sensor CRANKSHAFT POSITION SENSOR 
3. Camshaft position sensor CAMSHAFT POSITION SENSOR 
4. Ignition system ON-VEHICLE INSPECTION
5. Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
6. ECM TERMINALS OF ECM 
7. VC output circuit VC OUTPUT CIRCUIT 
Engine cranks normally but difficult to start 1. Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
2. Compression INSPECTION
Difficult to start with cold engine 1. Ignition system ON-VEHICLE INSPECTION
2. Spark plug INSPECTION
3. Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
4. Injector REMOVAL
Difficult to start with warm engine 1. Injector REMOVAL
2. Ignition system ON-VEHICLE INSPECTION
3. Spark plug INSPECTION
4. Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
High engine idle speed 1. Electronic throttle control system DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH 
2. A/C signal circuit -
3. ECM power source circuit ECM POWER SOURCE CIRCUIT 
Low engine idle speed (Poor idling) 1. Electronic throttle control system DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH 
2. A/C signal circuit -
3. Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
4. Air induction system -
5. PCV hose -
Rough idling 1. Compression INSPECTION
2. Spark plug INSPECTION
3. Injector REMOVAL
4. Ignition system ON-VEHICLE INSPECTION
5. Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
6. Electronic throttle control system DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH 
7. Air induction system -
8. PCV hose -
9. Mass air flow meter -
Idle hunting 1. Electronic throttle control system DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH 
2. Air induction system -
3. ECM power source circuit ECM POWER SOURCE CIRCUIT 
Hesitation/Poor acceleration 1. Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
2. Spark plug INSPECTION
3. Ignition system ON-VEHICLE INSPECTION
4. Injector REMOVAL
5. Mass air flow meter -
6. Electronic throttle control system DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH 
7. Air induction system -
8. Compression INSPECTION
Surging (Poor driveability) 1. Spark plug INSPECTION
2. Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
3. Ignition system ON-VEHICLE INSPECTION
4. Injector REMOVAL
5. Mass air flow meter -
6. Variable valve timing system DTC P0011 CAMSHAFT POSITION "A" - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE (BANK 1); DTC P0012 CAMSHAFT POSITION "A" - TIMING OVER-RETARDED (BANK 1) 
7. Compression INSPECTION
Engine stalls soon after starting 1. Fuel pump control circuit FUEL PUMP CONTROL CIRCUIT 
2. Spark plug INSPECTION
3. Ignition system ON-VEHICLE INSPECTION
4. Injector REMOVAL
5. Variable valve timing system DTC P0011 CAMSHAFT POSITION "A" - TIMING OVER-ADVANCED OR SYSTEM PERFORMANCE (BANK 1); DTC P0012 CAMSHAFT POSITION "A" - TIMING OVER-RETARDED (BANK 1) 
6. Electronic throttle control system DTC P2102 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT LOW; DTC P2103 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT HIGH 
7. Air induction system -
8. PCV hose -
9. Compression INSPECTION
Engine stalls only during A/C operation 1. A/C signal circuit -
2. ECM TERMINALS OF ECM