Fault-Tracing Information

Condition(s)
- no diagnostic trouble codes (DTCs) stored.
- starter motor is working.
- timing belt intact.
- the fault is permanent.





Possible source(s)

Fuel Pump
- open-circuit in fuel pump (FP) relay signal cable or power cable.
- short-circuit to ground or supply voltage in fuel pump relay signal cable.
- open-circuit in fuel pump ground lead or power cable.
- contact resistance in terminals.
- defective fuel pump relay or fuel pump.





Engine Speed Sensor
- open-circuit in ground lead or signal cable.
- short-circuit to ground or supply voltage in signal cable.
- contact resistance in terminals.
- defective engine speed (RPM) sensor.





Ignition Discharge Module
- open-circuit in power cable to ignition coils.
- contact resistance in terminals and ground terminals.
- defective ignition relay.
- defective spark plugs.
- open-circuit in ignition relay ground lead, signal cable or power cable.





Mass Air Flow Sensor
- open-circuit in power ground cable, signal ground Cable, signal cable or power cable.
- short-circuit to ground or supply voltage in signal cable.
- damaged or loose intake hoses between mass air flow (MAF) sensor and throttle body (TB).
- contact resistance in terminals.
- defective mass air flow sensor.





Engine Coolant Temperature Sensor
- open-circuit in ground lead or signal cable.
- short-circuit to ground or supply voltage in signal cable.
- contact resistance in terminals.
- defective engine coolant temperature (ECT) sensor

Fuel Pressure
- faulty fuel pressure.
- start fault-tracing.