J2000/Sunbird V6-191 3.1L VIN T MFI (1994)
![background image](/pontiac/j2000/sunbird/v6-191_3.1l_vin_t_mfi/Page-1337001.png)
Vacuum Brake Booster: Testing and Inspection
Hard Pedal
1. Internal vacuum leak.
2. Faulty control valve.
Vacuum Brake Booster: Testing and Inspection
Hard Pedal
1. Internal vacuum leak.
2. Faulty control valve.