The MIL went on about 24 hrs after I put gas into my car. So I expected the
fuel cap is not the cause.

Even so, as soon as I saw the light, I stopped, untight then tight the fuel
cap tightly (3 click sound).
The light was still on (on my way home a day ago)

The next morning (today), I drove this car to work, the light was still on.
Stopped by at a local gas station, a half way from home, to put more fuel
into my car (just about 2 gallons), then tight the cap tightly.
The light is still on.

Arrived workplace, it is still on.

The funny part is :
As soon as I was ready driving home (45 miles one way) this afternoon, the
light went off (like it was not on before), all the way of 45 miles.

Of course, this afternoon, the gas price dropped to 2.09/G, so I stopped to
get more gas. After that, I recognized that the light was off. And it was off
all the way, until I stopped at the auto part store for them to read the code,
as per your advice. The technician did, the code is P0706 and nothing else.

1/ What this code means?
2/ What might cause the problems as I described above?
Thanks a lot!


Michael Pardee wrote:
>> Hi everyone,
>>
>[quoted text clipped - 10 lines]
>> Please educate me.
>> Thanks
>
>As Seth says, the code is necessary to really know.
>
>How serious is it? As long as it runs okay, you can drive it around town as
>much as you want without worrying. There is a chance it is now running rich
>enough to damage the catalytic converter if you push it hard for long, so
>you want to avoid full highway speeds until you either find out what the
>code is or at least determine the fuel consumption is fairly normal.
>
>Mike

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