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  #1 (permalink)  
Old 21 Aug 2008, 09:31 am
dave.harper@gmail.com
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Default Error codes on Honda Accord (2004)

My "check engine" light in my 2004 Honda Accord (4 cyl) came on a
while ago, and I got Autozone to read the error codes. There were 3,
and they all seem related:

P0141 - 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0453 - Evaporative Emission Control System Pressure Sensor High Input
P2422 - Evaporative Emission (EVAP) System Vent Shut Valve Close
Malfunction

My guess is one component on the emission side is causing all three
codes. Does anyone have an idea of what the actual cause could be?

Thanks!
Dave
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  #2 (permalink)  
Old 21 Aug 2008, 09:22 pm
Dave Kelsen
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Default Re: Error codes on Honda Accord (2004)

On 8/21/2008 9:31 AM dave.harper@gmail.com spake these words of knowledge:

> My "check engine" light in my 2004 Honda Accord (4 cyl) came on a
> while ago, and I got Autozone to read the error codes. There were 3,
> and they all seem related:
>
> P0141 - 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
> P0453 - Evaporative Emission Control System Pressure Sensor High Input
> P2422 - Evaporative Emission (EVAP) System Vent Shut Valve Close
> Malfunction
>
> My guess is one component on the emission side is causing all three
> codes. Does anyone have an idea of what the actual cause could be?
>
> Thanks!
> Dave


Some years back I got P0141; I replaced the o2 sensor (the rear one) and
it went away, never to return. But I didn't get the other two, so I
don't suppose that would solve your problem. It might be a good place
to start. It cost me 50-something dollars, and I had to buy a wrench
for $5 or $6 to remove the sensor itself.


RFT!!!
Dave Kelsen
--
A mind is a terrible thing to taste.
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  #3 (permalink)  
Old 22 Aug 2008, 07:37 am
Tegger
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Default Re: Error codes on Honda Accord (2004)

dave.harper@gmail.com wrote in news:dc3488c2-81ff-4f21-a768-b1a67f5870f5
@s50g2000hsb.googlegroups.com:

> My "check engine" light in my 2004 Honda Accord (4 cyl) came on a
> while ago, and I got Autozone to read the error codes. There were 3,
> and they all seem related:
>
> P0141 - 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
> P0453 - Evaporative Emission Control System Pressure Sensor High Input
> P2422 - Evaporative Emission (EVAP) System Vent Shut Valve Close
> Malfunction
>
> My guess is one component on the emission side is causing all three
> codes. Does anyone have an idea of what the actual cause could be?
>



The first one is totally unrelated to the other two. It means your
secondary oxygen sensor needs to be replaced.

The other two have to do with the EVAP system and need to be diagnosed
properly to determine if in fact they are related to the same component.
Honda put the EVAP canister under the rear of the car, a strange location
that exposes the highly-sensitive hardware to water and salt.

--
Tegger

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  #4 (permalink)  
Old 22 Aug 2008, 09:24 am
Scott Dorsey
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Default Re: Error codes on Honda Accord (2004)

<dave.harper@gmail.com> wrote:
>My "check engine" light in my 2004 Honda Accord (4 cyl) came on a
>while ago, and I got Autozone to read the error codes. There were 3,
>and they all seem related:
>
>P0141 - 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)


This is because the computer believes that the oxygen sensor indicated
has an open heating coil. Get an ohmmeter and measure it... if it really
is open, replace the sensor. Otherwise find the break in the wiring.

>P0453 - Evaporative Emission Control System Pressure Sensor High Input
>P2422 - Evaporative Emission (EVAP) System Vent Shut Valve Close
>Malfunction


I don't think these have anything to do with the 02 sensor, and my
suspicion is that it is is clog in one of the EVAP lines or in the
canister, rather than a break in them. I'd jack up the rear and check
to make sure all the lines are intact, and I'd check the canister as
well.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."
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  #5 (permalink)  
Old 22 Aug 2008, 09:57 am
dave.harper@gmail.com
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Default Re: Error codes on Honda Accord (2004)

On Aug 22, 9:24 am, klu...@panix.com (Scott Dorsey) wrote:
> <dave.har...@gmail.com> wrote:
> >My "check engine" light in my 2004 Honda Accord (4 cyl) came on a
> >while ago, and I got Autozone to read the error codes. There were 3,
> >and they all seem related:

>
> >P0141 - 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

>
> This is because the computer believes that the oxygen sensor indicated
> has an open heating coil. Get an ohmmeter and measure it... if it really
> is open, replace the sensor. Otherwise find the break in the wiring.
>
> >P0453 - Evaporative Emission Control System Pressure Sensor High Input
> >P2422 - Evaporative Emission (EVAP) System Vent Shut Valve Close
> >Malfunction

>
> I don't think these have anything to do with the 02 sensor, and my
> suspicion is that it is is clog in one of the EVAP lines or in the
> canister, rather than a break in them. I'd jack up the rear and check
> to make sure all the lines are intact, and I'd check the canister as
> well.
> --scott
>
> --
> "C'est un Nagra. C'est suisse, et tres, tres precis."


Another thing I've been noticing recently is that when I fill up, the
gas cap makes a big suction noise when I first take it off. Also,
while I'm filling up, the fill sensor (or whatever you call it) on the
nozzle gets triggered about every 2 gallons, even when I start from
empty.

Could that be indicative of a clog in the evap system?

Thanks again for the help...
Dave
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  #6 (permalink)  
Old 22 Aug 2008, 09:59 am
Scott Dorsey
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Posts: n/a
Default Re: Error codes on Honda Accord (2004)

<dave.harper@gmail.com> wrote:
>
>Another thing I've been noticing recently is that when I fill up, the
>gas cap makes a big suction noise when I first take it off. Also,
>while I'm filling up, the fill sensor (or whatever you call it) on the
>nozzle gets triggered about every 2 gallons, even when I start from
>empty.
>
>Could that be indicative of a clog in the evap system?


Yes. Check the evap valve. If the car were a decade old, I'd suggest
just changing the canister and valve sight-unseen, but there's really no
reason to do that.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."
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  #7 (permalink)  
Old 22 Aug 2008, 05:51 pm
Steve W.
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Default Re: Error codes on Honda Accord (2004)

Dave Kelsen wrote:
> On 8/21/2008 9:31 AM dave.harper@gmail.com spake these words of knowledge:
>
>> My "check engine" light in my 2004 Honda Accord (4 cyl) came on a
>> while ago, and I got Autozone to read the error codes. There were 3,
>> and they all seem related:
>>
>> P0141 - 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)


Probably the connector or the wiring to the second O2 sensor has a
problem. Check the connection first, a little corrosion in there can set
this.


>> P0453 - Evaporative Emission Control System Pressure Sensor High Input
>> P2422 - Evaporative Emission (EVAP) System Vent Shut Valve Close
>> Malfunction


Both problems are caused by the same item, The EVAP vent solenoid valve
is stuck closed or the line going to the canister is plugged/kinked.
That causes a build up of pressure in the tank that sets the 0453 code
and the stuck valve itself is causing the 2422 code. Replace the valve
or canister line and that problem will go away.

I would bet you hear a noise when you open the tank fill as well, that
is the built up pressure getting out.


>>
>> My guess is one component on the emission side is causing all three
>> codes.


Not related parts. Saying one is causing the other would be like saying
dropping a hammer on your foot caused the problem.


Does anyone have an idea of what the actual cause could be?
>>
>> Thanks!
>> Dave



--
Steve W.
Near Cooperstown, New York

Life is not like a box of chocolates
it's more like a jar of jalapenos-
what you do today could burn your ass tomorrow!
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  #8 (permalink)  
Old 23 Aug 2008, 09:01 pm
man of machines
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Default Re: Error codes on Honda Accord (2004)

what if the fuse for the 02 heater all so runs the evap system???

Tegger wrote:

> dave.harper@gmail.com wrote in news:dc3488c2-81ff-4f21-a768-b1a67f5870f5
> @s50g2000hsb.googlegroups.com:
>
> > My "check engine" light in my 2004 Honda Accord (4 cyl) came on a
> > while ago, and I got Autozone to read the error codes. There were 3,
> > and they all seem related:
> >
> > P0141 - 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
> > P0453 - Evaporative Emission Control System Pressure Sensor High Input
> > P2422 - Evaporative Emission (EVAP) System Vent Shut Valve Close
> > Malfunction
> >
> > My guess is one component on the emission side is causing all three
> > codes. Does anyone have an idea of what the actual cause could be?
> >

>
> The first one is totally unrelated to the other two. It means your
> secondary oxygen sensor needs to be replaced.
>
> The other two have to do with the EVAP system and need to be diagnosed
> properly to determine if in fact they are related to the same component.
> Honda put the EVAP canister under the rear of the car, a strange location
> that exposes the highly-sensitive hardware to water and salt.
>
> --
> Tegger


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  #9 (permalink)  
Old 24 Aug 2008, 08:09 am
aarcuda69062
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Default Re: Error codes on Honda Accord (2004)

In article <48B0C115.73C559B5@cac.net>,
man of machines <dbrider@cac.net> wrote:

> what if the fuse for the 02 heater all so runs the evap system???


Like fuse #18?
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  #10 (permalink)  
Old 24 Aug 2008, 08:48 pm
Tegger
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Posts: n/a
Default Re: Error codes on Honda Accord (2004)

aarcuda69062 <nonelson@sbcglobal.net> wrote in news:nonelson-
40BA31.08094124082008@news.mil.sbcglobal.net:

> In article <48B0C115.73C559B5@cac.net>,
> man of machines <dbrider@cac.net> wrote:
>
>> what if the fuse for the 02 heater all so runs the evap system???

>
> Like fuse #18?




Stupid me. I never even thought of that. I'll shut up now.

--
Tegger

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