Question about Cars & Trucks
Believe it or not, your fuel cap. The fuel system is designed to be pressurized and due to age and constant removal and re-installation your fuel cap will bleed off pressure after time. Replace the fuel cap, reset the engine light, and be sure you tighten the cap till it clicks at each fuel up. You shouldn't have anymore problems.
Posted on May 02, 2013
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Posted on Jan 02, 2017
a small evap leak is often interpreted as a loose gas cap , which it can be , it means the evap systems integrity has been breached , it can be an electrical solenoid , switch or just a vacuum line in the system . a bidirectional scanner can run the evap test after checking the gas cap , most well equipped shops can hook up a smoke machine to the evap system service port and run the smoke test , it there is a leak you will see the smoke , makes the diagnosis quickly . get an estimate from a reputable shop , by the way this problem has no effect on drivability , but should be fixed . cheers
Posted on Jan 13, 2009
SOURCE: 2000 oldsmobile Intrigue V6
This could be a # of problems but try these: Remove gas cap and carefully inspect it and the fuel filler neck for small cracks and/or distortion/dirt. Under the hood there is a small green cap which is the test port for the evap system, remove it and check the schrader valve to be sure its tight ( left hand threads!!!). Check all hoses attached to this for cracks/breaks.Other than this a diagnostic will have to be ran with a smoke machine to pin point leaks or valve/switch/solenoid/canister failure.
Posted on Jan 14, 2009
check ur gas cap for tight and proper seal that is the most common problem for the the evap codes if cap is good check fuel and vent lines for damage or leaks from gas cap under vehicle up to engine compartment
Posted on Oct 18, 2009
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