Gascap light

T

TAD101

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• Feb 23, 2024

• #1

My son bought a 2014 Jeep and the gascap light is on. I changed the old gas cap, but no luck. Can anyone give me any advice on possible things to look at. Google pointed at replacing cap.

Can respond to:
terryadurnin@gmail.com

 

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Dirty Dog

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• Feb 23, 2024

• #2

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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BLACKJKU

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• #3

Check under the Jeep for any chewed or ripped hoses that goes to the fuel tank.

 

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T

TAD101

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• Feb 23, 2024

• #4

I'm no mechanic. Guess I'll bring to a mechanic. Hopefully nothing major.

 

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BLACKJKU

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• #5

TAD101 said:

I'm no mechanic. Guess I'll bring to a mechanic. Hopefully nothing major.

Click to expand...

If the cap is on tight at least a couple clicks then it's probably something simple in the fill or vent tube for the tank. Don't need to be a mechanic to look at hoses.

 

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Dirty Dog

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• #6

TAD101 said:

I'm no mechanic. Guess I'll bring to a mechanic. Hopefully nothing major.

Click to expand...

Got a screwdriver and a pair of pliers? That's about all you need to replace everything in the system...

 

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Bag

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• Feb 24, 2024

• #7

Mine did that and I put a little Vaseline on the rubber o-ring on the cap. Been good ever since.

 

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vaffanculo

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Philadelphia pa

• Feb 24, 2024

• #8

TAD101 said:

My son bought a 2014 Jeep and the gascap light is on. I changed the old gas cap, but no luck. Can anyone give me any advice on possible things to look at. Google pointed at replacing cap.

Can respond to:
terryadurnin@gmail.com

Click to expand...

 

vaffanculo

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• Feb 24, 2024

• #9

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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vaffanculo

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• Feb 24, 2024

• #10

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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vaffanculo

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• Feb 24, 2024

• #11

TAD101 said:

I'm no mechanic. Guess I'll bring to a mechanic. Hopefully nothing major.

Click to expand...

Don't do that ....mechanics are like car salesman patting you on the back with one hand and a jar of Vaseline in the other ...your dealing with a minor issue

 

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BigAL07

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• Feb 24, 2024

• #12

Been down this road before. OEM cap or your just wasting time and money

 

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Dirty Dog

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• #13

BigAL07 said:

Been down this road before. OEM cap or your just wasting time and money

Click to expand...

And yet, I'm running a non-OEM cap without any problems...

 

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BigAL07

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• #14

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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BigAL07

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• #15

 

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Dirty Dog

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• #16

BigAL07 said:

View attachment 126479

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You do know I've got two of these things, right? I haven't bothered with hers, yet.

 

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Black Bear Jeep (Dan44)

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Athol, Idaho

• Nov 7, 2024

• #17

I found this issue with my evap casiter. The plug must has gotten wet and it was green with corrosion. This picture was after it sat in vinegar for an hour. It's going to be replaced.