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Was driving long distance for the first time yesterday from Dallas to Austin for the Formula 1. Half way there, check engine light came on. And it was on all the way back. This morning, started the car, it was gone.

Anybody seen this? Do you think the service guys can find the problem if the light is not on now?
 

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Was driving long distance for the first time yesterday from Dallas to Austin for the Formula 1. Half way there, check engine light came on. And it was on all the way back. This morning, started the car, it was gone.

Anybody seen this? Do you think the service guys can find the problem if the light is not on now?
Yep! the error code is stored, so they should be able to retrieve the data. Was the gas cap on tight??
 

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Yep! the error code is stored, so they should be able to retrieve the data. Was the gas cap on tight??
Doubtful. This same thing happened to mine, except mine stayed on. Took it to dealer, and there were no codes stored. They just used the consult to turn the light off.............
 

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My first SHO had an intermittent check engine light, that would not leave a code. After several attempts at different solutions, my dealer replaced the oxygen sensors. That was the fix. They suspected that the sensors were only marginally within specs, going out of spec under stress.
 

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Actually I am having the same problem. I purchased the car last week and the light came on in a couple days. I brought it back to the dealer and he told me that my gas cap was loose. The light went away after I left the dealer but now it came back on. So I am thinking that there is something wrong.
 

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See Marquismarq's posts on this subject. @burghertroy, I'm deleting your duplicate thread.
 

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OBD Code readers are inexpensive. Don't depend on the dealer - read the code yourself with one of these.

I used to use the TORQUE app on the Android Platform - excellent product (but unfortunately not avail on iOS). There are a bunch of smartphone apps that together with an OBDII Scanner are quite useful.
 
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