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Old Nov 22, 2014 | 01:42 PM
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Pulled codes as ck eng lite came on. Shows P0442 which is not on the list. The instructions for operating the diagnostics isn't real clear for this owner. Even tried to reset. Isn't that supposed to clear the H?
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Old Nov 22, 2014 | 02:02 PM
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P0442 Evaporative Emission (EVAP) System Small Leak Detected
Check your gas cap. Lots of info here on the forum
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Old Nov 22, 2014 | 02:06 PM
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Originally Posted by Smoken1
P0442 Evaporative Emission (EVAP) System Small Leak Detected
Check your gas cap. Lots of info here on the forum
Many times this code is related to a bad gas cap or gasket. A new cap is about $25 from the dealer. After replacing the cap, clear the code, fill the tank up, and run it down to just above empty to verify that the problem is solved.
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Old Nov 22, 2014 | 04:43 PM
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Originally Posted by Corvette_Ed
Many times this code is related to a bad gas cap or gasket. A new cap is about $25 from the dealer. After replacing the cap, clear the code, fill the tank up, and run it down to just above empty to verify that the problem is solved.
Thanks guys. I did fill up after the ck eng lite had been on and it stayed so I will investigate the cap. It doesn't sound like a bad idea to drive the car, I hope. I'm out in the country so I have to order a cap.

Tell me if there's a problem to use the car.
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Old Nov 22, 2014 | 04:55 PM
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Originally Posted by Smoken1
P0442 Evaporative Emission (EVAP) System Small Leak Detected
Check your gas cap. Lots of info here on the forum
The code list I had downloaded prior http://www.obd-codes.com/trouble_cod...d-ii-codes.php didn't go that low on numbers. Thanks for the more complete list.
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Old Nov 22, 2014 | 05:12 PM
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Originally Posted by The Rabbi
Thanks guys. I did fill up after the ck eng lite had been on and it stayed so I will investigate the cap. It doesn't sound like a bad idea to drive the car, I hope. I'm out in the country so I have to order a cap.

Tell me if there's a problem to use the car.
There shouldn't be a problem driving the car. Are you getting any fuel smells?
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Old Nov 24, 2014 | 02:00 PM
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Originally Posted by Corvette_Ed
There shouldn't be a problem driving the car. Are you getting any fuel smells?
No fuel smell. Are the gas caps generic?
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Old Nov 25, 2014 | 08:24 AM
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Also check the vacuum hose on the passenger side of the throttle body, they get a hole in the bottom where there is a bend. Seen that with several members.
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Old Nov 25, 2014 | 10:25 AM
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Originally Posted by The Rabbi
No fuel smell. Are the gas caps generic?
Here is a link to a active thread on the same subject. Contains the gas cap part numbers.

https://www.corvetteforum.com/forums...lfunction.html
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Old Dec 15, 2014 | 05:09 PM
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Originally Posted by MAC5
Here is a link to a active thread on the same subject. Contains the gas cap part numbers.

https://www.corvetteforum.com/forums...lfunction.html
Had all the codes cleared and so far they haven't come back.
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