Exhaust Gas Recirculation Back Pressure Sensor Replacement. Pontiac Sun Runner - 4WD (Canada) 1998

For 1990-2009 cars

### Removal Procedure

1. Disconnect the three vacuum hoses (2) from the exhaust gas recirculation (EGR) back pressure transducer.
2. Remove the EGR back pressure transducer (3) from the retaining clips (3).

### Installation Procedure

1. Install the EGR back pressure transducer to the retaining clips (1).
2. Connect the vacuum hose from the EGR bypass valve to port Q of the EGR back pressure transducer.
3. Connect the vacuum hose from the EGR solenoid vacuum valve to port P of the EGR back pressure transducer.
4. Connect the exhaust port hose to the bottom port of the EGR back pressure transducer.