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Home >> Oldsmobile >> 2000 >> Intrigue GL >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Engine Control System - System & Component Testing) >> Emission Systems & Subsystems >> Fuel Tank Leak Test >> Diagnostic Procedures

Diagnostic Procedures

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the fuel tank.
  2. Remove the fuel tank.
  3. Plug the fuel feed hose, the fuel limiter vent valve hose, and the fuel tank vent valve hose on the fuel tank.
  4. Plug the fuel filler neck opening.
  5. Connect a piece of the hose to the breather hose nipple on the fuel tank and secure the hose with one clamp.
  6. Submerge the fuel tank in water or apply a soapy solution to the outside of the tank.
  7. Apply 1-2 psi (7-15 kPa) air pressure to the breather hose.
  8. Air bubbles appearing from the fuel tank indicate a leak.
  9. Replace the fuel tank if the tank is leaking.
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