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Next: Free 02 WRX parts - Indianapolis local pick up on..
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External
Since: Jul 27, 2006
Posts: 3
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(Msg. 1) Posted: Wed Jul 26, 2006 8:55 pm
Post subject: check engine light (04 WRX)
Archived from groups: alt>autos>subaru (more info?)
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I just bought an 04 WRX with 50K miles. Runs great, very tight.
After a tank of gas, the check engine light went on. The manual (and the
inside of the filler door) says to make sure the cap is on tight. I
retightened (it didn't seam loose) and after a couple drives, it went out.
My assumption is that if the tank looses vacumn, the light goes on. True?
From time to time the light goes on. It seams to come on after a big change
in ambient temperature or humidity (unscientifically observed.) It goes out
after a few days of short trips.
What do you think? Bum gas cap? What harm might I be doing to the car?
thanks, P |
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External
Since: Jan 13, 2005
Posts: 127
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(Msg. 2) Posted: Wed Jul 26, 2006 9:39 pm
Post subject: Re: check engine light (04 WRX) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Thu, 27 Jul 2006 00:00:30 GMT, "Phil & Brooke"
wrote:
>I just bought an 04 WRX with 50K miles. Runs great, very tight.
>
>After a tank of gas, the check engine light went on. The manual (and the
>inside of the filler door) says to make sure the cap is on tight. I
>retightened (it didn't seam loose) and after a couple drives, it went out.
>My assumption is that if the tank looses vacumn, the light goes on. True?
>
>From time to time the light goes on. It seams to come on after a big change
>in ambient temperature or humidity (unscientifically observed.) It goes out
>after a few days of short trips.
>
>What do you think? Bum gas cap? What harm might I be doing to the car?
>
>thanks, P
>
There are literally hundreds of different things that can set a
trouble code and turn on the check engine light. The only way to find
out which one is to have the car scanned and the code read out. If
there is an Autozone near you they will do a free scan, be sure to get
the exact code in Pxxxx format. Once you have this information you can
search online for troubleshooting help relating to that particular
code, or you can post it here for further assistance.
Until you have that info we can only speculate on what your problem
might be. |
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External
Since: Jul 27, 2006
Posts: 3
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(Msg. 3) Posted: Wed Jul 26, 2006 11:55 pm
Post subject: Re: check engine light (04 WRX) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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wrote in message
> On Thu, 27 Jul 2006 00:00:30 GMT, "Phil & Brooke"
> wrote:
>
>>I just bought an 04 WRX with 50K miles. Runs great, very tight.
>>
>>After a tank of gas, the check engine light went on. The manual (and the
>>inside of the filler door) says to make sure the cap is on tight. I
>>retightened (it didn't seam loose) and after a couple drives, it went out.
>>My assumption is that if the tank looses vacumn, the light goes on. True?
>>
>>From time to time the light goes on. It seams to come on after a big
>>change
>>in ambient temperature or humidity (unscientifically observed.) It goes
>>out
>>after a few days of short trips.
>>
>>What do you think? Bum gas cap? What harm might I be doing to the car?
>>
>>thanks, P
>>
>
> There are literally hundreds of different things that can set a
> trouble code and turn on the check engine light. The only way to find
> out which one is to have the car scanned and the code read out. If
> there is an Autozone near you they will do a free scan, be sure to get
> the exact code in Pxxxx format. Once you have this information you can
> search online for troubleshooting help relating to that particular
> code, or you can post it here for further assistance.
> Until you have that info we can only speculate on what your problem
> might be.
Thanks. Does the scan have to be done when the light is on? or is there
"memory" regarding the last time it was on? >> Stay informed about: check engine light (04 WRX) |
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External
Since: Mar 24, 2006
Posts: 18
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(Msg. 4) Posted: Thu Jul 27, 2006 3:11 pm
Post subject: Re: check engine light (04 WRX) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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I think it rolls off after 20 starts or something. So with reasonable
expedience you should be able to get it.
(and if it doesnt come back then no biggie anyway)
"Phil & Brooke" wrote in message
>
> wrote in message
>
>> On Thu, 27 Jul 2006 00:00:30 GMT, "Phil & Brooke"
>> wrote:
>>
>>>I just bought an 04 WRX with 50K miles. Runs great, very tight.
>>>
>>>After a tank of gas, the check engine light went on. The manual (and the
>>>inside of the filler door) says to make sure the cap is on tight. I
>>>retightened (it didn't seam loose) and after a couple drives, it went
>>>out.
>>>My assumption is that if the tank looses vacumn, the light goes on.
>>>True?
>>>
>>>From time to time the light goes on. It seams to come on after a big
>>>change
>>>in ambient temperature or humidity (unscientifically observed.) It goes
>>>out
>>>after a few days of short trips.
>>>
>>>What do you think? Bum gas cap? What harm might I be doing to the car?
>>>
>>>thanks, P
>>>
>>
>> There are literally hundreds of different things that can set a
>> trouble code and turn on the check engine light. The only way to find
>> out which one is to have the car scanned and the code read out. If
>> there is an Autozone near you they will do a free scan, be sure to get
>> the exact code in Pxxxx format. Once you have this information you can
>> search online for troubleshooting help relating to that particular
>> code, or you can post it here for further assistance.
>> Until you have that info we can only speculate on what your problem
>> might be.
>
> Thanks. Does the scan have to be done when the light is on? or is there
> "memory" regarding the last time it was on?
>
>
> >> Stay informed about: check engine light (04 WRX) |
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External
Since: Jan 13, 2005
Posts: 127
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(Msg. 5) Posted: Thu Jul 27, 2006 3:52 pm
Post subject: Re: check engine light (04 WRX) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Thu, 27 Jul 2006 03:04:28 GMT, "Phil & Brooke"
wrote:
>
> wrote in message
>
>> On Thu, 27 Jul 2006 00:00:30 GMT, "Phil & Brooke"
>> wrote:
>>
>>>I just bought an 04 WRX with 50K miles. Runs great, very tight.
>>>
>>>After a tank of gas, the check engine light went on. The manual (and the
>>>inside of the filler door) says to make sure the cap is on tight. I
>>>retightened (it didn't seam loose) and after a couple drives, it went out.
>>>My assumption is that if the tank looses vacumn, the light goes on. True?
>>>
>>>From time to time the light goes on. It seams to come on after a big
>>>change
>>>in ambient temperature or humidity (unscientifically observed.) It goes
>>>out
>>>after a few days of short trips.
>>>
>>>What do you think? Bum gas cap? What harm might I be doing to the car?
>>>
>>>thanks, P
>>>
>>
>> There are literally hundreds of different things that can set a
>> trouble code and turn on the check engine light. The only way to find
>> out which one is to have the car scanned and the code read out. If
>> there is an Autozone near you they will do a free scan, be sure to get
>> the exact code in Pxxxx format. Once you have this information you can
>> search online for troubleshooting help relating to that particular
>> code, or you can post it here for further assistance.
>> Until you have that info we can only speculate on what your problem
>> might be.
>
>Thanks. Does the scan have to be done when the light is on? or is there
>"memory" regarding the last time it was on?
>
>
The code will remain in memory even after the light goes out, as long
as the ECU is not reset by disconnecting the battery or the code is
not cleared with a scanner. >> Stay informed about: check engine light (04 WRX) |
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External
Since: Mar 09, 2005
Posts: 69
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(Msg. 6) Posted: Tue Aug 08, 2006 9:55 pm
Post subject: Re: check engine light (04 WRX) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Phil & Brooke wrote:
> I just bought an 04 WRX with 50K miles. Runs great, very tight.
>
> After a tank of gas, the check engine light went on. The manual (and the
> inside of the filler door) says to make sure the cap is on tight. I
> retightened (it didn't seam loose) and after a couple drives, it went out.
> My assumption is that if the tank looses vacumn, the light goes on. True?
>
> From time to time the light goes on. It seams to come on after a big
> change
> in ambient temperature or humidity (unscientifically observed.) It goes
> out after a few days of short trips.
>
> What do you think? Bum gas cap? What harm might I be doing to the car?
>
> thanks, P
Uncritical CEL lights wil go out after the ignition key is set to the "on"
and then "off" three or four times. (Three I think.) The light just goes
out because they know it's annoying. The code is probably still in there
waiting to be read.
Bet it didn't have anything to do with your gas cap. 
Do you use octane booster at all? >> Stay informed about: check engine light (04 WRX) |
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External
Since: Jul 27, 2006
Posts: 3
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(Msg. 7) Posted: Tue Aug 08, 2006 11:55 pm
Post subject: Re: check engine light (04 WRX) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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I do not use Octane boost. I only use 91+ which is the recommended.
I will try the on-off as you suggest and see what happens. I wish I could
find time to have the CEL read.
I figured it was the gas cap because a) it is stickered all over the place
(on the cap, inside the filler door, in the manual) that a loose cap will
cause the CEL (must be a common problem), and b) I never have a vacumn when
I loosen the cap to fill the tank.
Any-hoo. I'll post once I get the CEL read.
thx,
P
"k. ote" wrote in message
> Phil & Brooke wrote:
>
>> I just bought an 04 WRX with 50K miles. Runs great, very tight.
>>
>> After a tank of gas, the check engine light went on. The manual (and the
>> inside of the filler door) says to make sure the cap is on tight. I
>> retightened (it didn't seam loose) and after a couple drives, it went
>> out.
>> My assumption is that if the tank looses vacumn, the light goes on.
>> True?
>>
>> From time to time the light goes on. It seams to come on after a big
>> change
>> in ambient temperature or humidity (unscientifically observed.) It goes
>> out after a few days of short trips.
>>
>> What do you think? Bum gas cap? What harm might I be doing to the car?
>>
>> thanks, P
>
> Uncritical CEL lights wil go out after the ignition key is set to the "on"
> and then "off" three or four times. (Three I think.) The light just goes
> out because they know it's annoying. The code is probably still in there
> waiting to be read.
>
> Bet it didn't have anything to do with your gas cap.
>
> Do you use octane booster at all?
> >> Stay informed about: check engine light (04 WRX) |
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