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Fuel cap suggestions

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Old Dec 13, 2018 | 12:48 PM
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Default Fuel cap suggestions

I have been getting the check engine fault that basically comes down to replacing the fuel cap. I got one from autozone (ac delco) but the fault came back twice. I have since reinstalled the older fuel cap which is questionable if it was installed properly the first time. Don’t ask!!! I haven’t driven it enough to see if the fault returns. Anyway just seeing what you guys have tried. Thanks.
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Old Dec 13, 2018 | 01:38 PM
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A factory fuel cap should stop the code from being thrown. Have you reset the DIC display?
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Old Dec 13, 2018 | 07:55 PM
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I did with a scanner, not by using the rest button method in the car etc on the side of the dash. Should I ?
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Old Dec 14, 2018 | 08:17 AM
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Mine was doing the same thing. I bought a new cap but it didn't have the tether, So I removed the rubber "O" ring and put it on the existing cap. No more codes.
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Old Dec 14, 2018 | 10:05 AM
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When you say “the fault that basically comes down to replacing the fuel cap” what is that code? An evap system leak can be a lot more than just a fuel cap
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Old Dec 15, 2018 | 06:47 AM
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An ac delco cap isnt much more than autozone I think there less than 20 .
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Old Dec 15, 2018 | 11:40 AM
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I use Stant locking caps on all my cars including my Z and never have any issues. You can get them at any parts stores.

Steve
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Old Dec 16, 2018 | 02:24 AM
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Originally Posted by 1blkc4
An ac delco cap isnt much more than autozone I think there less than 20 .
...thats what I got...
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Old Dec 16, 2018 | 02:47 AM
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Originally Posted by Dark_Sun
Friends, where can I buy quality and cheap parts?)
By cheap, you just mean priced less than a GM dealership?

Get the part number and buy from www.gmpartsdirect.com if you need factory made or for good aftermarket usually NAPA, Autozone etc have good comparable parts for much less cost.

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Old Dec 16, 2018 | 05:24 PM
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My CEL went off when I was on a trip up to NJ, so I stopped in at the local Chevy dealer in my old neighborhood and bought a genuine GM 'vette gas cap. On the sealed plastic bag it came in, next to the GM logo and part number, was stamped, Made in Germany.
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