Gascap light

It says Gas cap, but it's really a warning for the entire evaporative system. You need to check the cap, the lines from the gas tank to the cannister and from there to the purge valve. You may be able to see a split hose, or you may need to do a smoke check. That involves pumping smoke into the system and looking to see where it comes out.
 
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Usually when it's an EVAP problem the check engine light will come on..as for the gas cap even though you replaced it the computer will take about 100 miles of driving for it too reset on its on unless you reset it with a plug in scanner also clean the gas cap filler tube with a rag ...good luck
 
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Also I meant too say if the check engine light is on and you put a scanner on and it reads po 442,445,or 456 thats an EVAP code ....gascap is a separate minor issue
 
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Yet lol that must be the check engine light u spoke of the other day that u hadn’t got time to fix yet. Must have over looked that one🍺🍺
 
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