Sfi System Problem Symptoms Table

Sfi System -- 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 (engine does not start)
Start signal circuit
Toyota Fortuner RM000000TA001BX.html
Starter
Toyota Fortuner RM0000013XJ00KX.html
Starter relay
Toyota Fortuner RM0000013XM00DX.html
No initial combustion (engine does not start)
ECM power source circuit
Toyota Fortuner RM000000WZ000TX.html
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
ECM
Toyota Fortuner RM000000UZ3019X.html
No complete combustion
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
Engine cranks normally but difficult to start
Starter signal circuit
Toyota Fortuner RM000000TA001BX.html
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
Compression
Toyota Fortuner RM000000YME003X_01_0003.html
Difficult to start with cold engine
Starter signal circuit
Toyota Fortuner RM000000TA001BX.html
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
Difficult to start with hot engine
Starter signal circuit
Toyota Fortuner RM000000TA001BX.html
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
High engine idling speed (poor idling)
A/C signal circuit (compressor unit)
-
ECM power source circuit
Toyota Fortuner RM000000WZ000TX.html
Low engine idling speed (poor idling)
A/C signal circuit (compressor unit)
-
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
Rough idling (poor idling)
Compression
Toyota Fortuner RM000000YME003X_01_0003.html
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
Hunting (poor idling)
ECM power source circuit
Toyota Fortuner RM000000WZ000TX.html
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
Hesitation / Poor acceleration (poor driveability)
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
A/T faulty
-
Brake override system
Toyota Fortuner RM000004G8F01IX.html
Surging (poor driveability)
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
Engine stalls soon after starting
Fuel pump control circuit
Toyota Fortuner RM000000WYZ05SX.html
Engine stalls soon after A/C operation
A/C signal circuit (compressor unit)
-
ECM
Toyota Fortuner RM000000UZ3019X.html
MIL is not illuminated
MIL circuit
Toyota Fortuner RM000000WZ10LRX.html