GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1997 🢒 Firefly (Canada) 🢒 Engine 🢒 Engine Controls - 1.0L 🢒 Exhaust Gas Recirculation Back Pressure Sensor Replacement

Removal Procedure

    Object Number: 157826 Size: SH
  1. Disconnect the three vacuum hoses from the exhaust gas recirculation (EGR) back pressure transducer.
  2. Remove the EGR back pressure transducer from the retaining clips.

Installation Procedure

    Object Number: 167624 Size: SH
  1. Install the EGR back pressure transducer to the retaining clips.
  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.