evap leak is short for EVARORATIVE EMISSIONS SYSTEM, NOT AC EVAPORATOR, AC leaks do not cause the truck to fail emission, most likely the problem is a defective gas cap. Also the code you give (P0244)
...evap system is strictly designed to trap fuel vapors in the tank and not allow them to scape into the atmosphere. The vehicle keeps a constant vacume on the tank and when it is unable to hold that ...
...for a while, it goes away for a while and then it comes back on a few days or even weeks later.............help most likely the pressure sensor in the fuel tank for the evap system is
Question about Pontiac Sunfire
evap (tank fume vent system) is failing why not get it fix, get it serviced like the other 99.9% do. we can post a wall of text , on all tools and skills it takes to diagnose and test this system then
...it to replace code P0440 refers to evaporitive emissions (EVAP) system problem.Most likely problem is a vacuum hose leak or an intake system leak.Check all the vac. pipes for cracks or loose
...evap system. If the engine light is not on, the system is working. A loose gas cap is a typical reason for the light to come on. Once corrected, the system needs time on the road to retest and clear ...
...EVAP class III super ;duper complex system.
this silly system III has valves solenoids with car parked key out the silly thing runs CLASS III evap test as we sleep. cute no?
and when bad, the ...
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