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2001 Eclipse GT - P0403 error code

 
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Dave White

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Since: Jun 26, 2005
Posts: 6



(Msg. 1) Posted: Mon Jun 27, 2005 1:19 am
Post subject: 2001 Eclipse GT - P0403 error code
Archived from groups: alt>autos>mitsubishi (more info?)

My check engine light came on yesterday, and scanning the codes, I get a
"P0403 EGR Flow Circuit Malfunction". Last week I changed the air filter
and PCV valve - the light came on three days later, so I don't know if these
are related at all. Anybody know what I can check?

Thanks for any info,

Dave White

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cdugan

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Since: Dec 09, 2004
Posts: 3



(Msg. 2) Posted: Mon Jun 27, 2005 4:09 pm
Post subject: Re: 2001 Eclipse GT - P0403 error code [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

If you used an aftermarket PCV I would be suspicious. In my limited
experience they tend to be leakers. I would soak the original one
(hopefully OEM) in some solvent blow it out with air and reinstall. Who
knows??

Dave White wrote:
 > My check engine light came on yesterday, and scanning the codes, I get a
 > "P0403 EGR Flow Circuit Malfunction". Last week I changed the air filter
 > and PCV valve - the light came on three days later, so I don't know if these
 > are related at all. Anybody know what I can check?
 >
 > Thanks for any info,
 >
 > Dave White

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Dave White

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Since: Jun 26, 2005
Posts: 6



(Msg. 3) Posted: Mon Jun 27, 2005 11:08 pm
Post subject: Re: 2001 Eclipse GT - P0403 error code [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Outlander" wrote in message

> If you used an aftermarket PCV I would be suspicious. In my limited
> experience they tend to be leakers. I would soak the original one
> (hopefully OEM) in some solvent blow it out with air and reinstall. Who
> knows??
>

Ah, too late. I changed it Wednesday, and the trash came Thursday.
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Nobody U. Know

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Since: Mar 17, 2004
Posts: 166



(Msg. 4) Posted: Tue Jun 28, 2005 3:11 am
Post subject: Re: 2001 Eclipse GT - P0403 error code [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

The PCV valve isn't connected to the EGR in any way. It doesn't need
changing ever, really. It is a check ball inside a housing. Blow and suck on
it for the click sound and you know it's ok. If not, clean it out with brake
parts cleaner. That's all it takes. Its really a big scam at oil change
places.

Now, you changed that and the filter, well guess what? There are hoses off
the intake that feed into the EGR. Check that.
--
Todd Honea


"Dave White" wrote in message

> My check engine light came on yesterday, and scanning the codes, I get a
> "P0403 EGR Flow Circuit Malfunction". Last week I changed the air filter
> and PCV valve - the light came on three days later, so I don't know if
these
> are related at all. Anybody know what I can check?
>
> Thanks for any info,
>
> Dave White
>
>
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cdugan

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Since: Dec 09, 2004
Posts: 3



(Msg. 5) Posted: Thu Jun 30, 2005 10:31 pm
Post subject: Re: 2001 Eclipse GT - P0403 error code [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

If that Eclipse is mid 90's with the vacuum actuated EGR any vacuum
malfunction or leak will affect the EGR performance to some degree.
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Dave White

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Since: Jun 26, 2005
Posts: 6



(Msg. 6) Posted: Sun Jul 03, 2005 7:02 am
Post subject: Re: 2001 Eclipse GT - P0403 error code [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Outlander" wrote in message

> If that Eclipse is mid 90's with the vacuum actuated EGR any vacuum
> malfunction or leak will affect the EGR performance to some degree.
>

No it's a 2001. I checked all the hoses - everything looks fine. I cleared
the code Thursday, but today the light came back (actually two readings of
the same code), so it wasn't some random reading. I'm going to dig a bit
further tomorrow.

regards,

Dave White
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Dave White

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Since: Jun 26, 2005
Posts: 6



(Msg. 7) Posted: Sun Jul 10, 2005 3:55 am
Post subject: Re: 2001 Eclipse GT - P0403 error code [Login to view extended thread Info.]
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"Dave White" wrote in message

> "Outlander" wrote in message
>
> > If that Eclipse is mid 90's with the vacuum actuated EGR any vacuum
> > malfunction or leak will affect the EGR performance to some degree.
> >
>
> No it's a 2001. I checked all the hoses - everything looks fine. I
cleared
> the code Thursday, but today the light came back (actually two readings of
> the same code), so it wasn't some random reading. I'm going to dig a bit
> further tomorrow.
>

OK, solved it. I replaced the replacement PCV valve (which was a cheapo
model from AutoZone), with another make. This time, when I installed it I
put a small metal hose clamp on the vacuum hose. The car's running much
better now, and I've had no more error codes. Whether it was a faulty
valve, or a bad hose seal, I don't know (I'm hedging towards the latter),
but as the car's running fine now, and it cost under ten bucks, I'm not
going to worry about it.
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