System Inspection

Engine Control
P0133 O2 Sensor Circuit Slow Response (Bank 1 / Sensor 1) - Inspection/Repair:_:System Inspection

System Insepction

Check leakage or clog of air
1. Check contamination, clog and installation of gasket.
> Any damage or installation of throttle body gasket.
> Any damage or installation of gasket between intake manifold and surge tank.
> Clog or contamination of intake manifold and injector by foreign materials.
> Contamination and open stuck between surge tank and PCSV by foreign materials.
> Any damage or contamination of HO2S(S1) by foreign materials.
2. Has a problem been found ?





Check Fuel Line
1. Check Clog, contamination and installation of Fuel Line as follows.
> Connection for each connectors in Fuel Line.
> Damage, interference and installation of vaccum hose connected to Fuel Line.
> Bend, Leakage and squeeze of pipe in Fuel Line.





Check Fuel Pressure
1. IG KEY "OFF".
2. Connect fuel pressure gauge on the fuel filter with fuel pressure gauge adaptor.
3. Start engine again and measure fuel pressure.

Specification :Approx. 3.5kg/cm2

4. Is the fuel pressue normal ?