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Author Topic: Confused....emission code 0443.  (Read 1227 times)

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sandune

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Confused....emission code 0443.
« on: 03 February 2010, 20:37:05 »
Had the emission lit for three days.
 Pedle tricked ..got 0433 ,this seems to have three possible faults.
  1- emission evaporative system-purge control valve circuitshorted.
  2- emission evaporative system-control valve circuit open.
  3-evaporative emission control system gross leak detected.
 So which of the three is true as the light is now normal again?
       sandune
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Boxvictor

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Re: Confused....emission code 0443.
« Reply #1 on: 03 February 2010, 20:50:04 »
Auto Data Trouble Codes Book Says:

P0433 Heated Catalytic Converter,bank 2- efficiency below Threshold...
Probable cause:
Catalytic converter, wiring, HO2S 2 (heated oxygen sensor)
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sandune

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Re: Confused....emission code 0443.
« Reply #2 on: 03 February 2010, 20:58:54 »
Thanks  Boxvictor ,
  Had some suspicion of the sensors so, will check and report.
 sandune
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Entwood

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Re: Confused....emission code 0443.
« Reply #3 on: 03 February 2010, 20:59:42 »
Quote
Auto Data Trouble Codes Book Says:

P0433 Heated Catalytic Converter,bank 2- efficiency below Threshold...
Probable cause:
Catalytic converter, wiring, HO2S 2 (heated oxygen sensor)

Omega codes here : http://www.omegaowners.com/forum/YaBB.pl?num=1220619694

I think you've just quoted an 0430

The OP is correct in his reading ..  :y :y :y

Unfortunately I have no idea what the cause might be ... MarkDTM might pass by soon .. he is sure to know .. :)
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Boxvictor

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Re: Confused....emission code 0443.
« Reply #4 on: 03 February 2010, 21:02:17 »
Quote
Quote
Auto Data Trouble Codes Book Says:

P0433 Heated Catalytic Converter,bank 2- efficiency below Threshold...
Probable cause:
Catalytic converter, wiring, HO2S 2 (heated oxygen sensor)

Omega codes here : http://www.omegaowners.com/forum/YaBB.pl?num=1220619694

I think you've just quoted an 0430

The OP is correct in his reading ..  :y :y :y

Unfortunately I have no idea what the cause might be ... MarkDTM might pass by soon .. he is sure to know .. :)
I only write what the book tells me :)
I stand corrected :-[
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Boxvictor

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Re: Confused....emission code 0443.
« Reply #5 on: 03 February 2010, 21:05:20 »
Quote
Had the emission lit for three days.
 Pedle tricked ..got 0433 ,this seems to have three possible faults.
  1- emission evaporative system-purge control valve circuitshorted.
  2- emission evaporative system-control valve circuit open.
  3-evaporative emission control system gross leak detected.
 So which of the three is true as the light is now normal again?
       sandune
I looked this one up lol
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Entwood

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Re: Confused....emission code 0443.
« Reply #6 on: 03 February 2010, 21:05:31 »
mmmm this link 

http://www.obd-codes.com/trouble_codes

agrees with you !!!

P0433 Heated Catalyst Efficiency Below Threshold (Bank 2)

so now I'm totally confused !!

 :-[ :-[ :-[ :-[ :-[
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Boxvictor

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Re: Confused....emission code 0443.
« Reply #7 on: 03 February 2010, 21:07:19 »
The book agrees with your diagnosis on the other number ;D
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Entwood

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Re: Confused....emission code 0443.
« Reply #8 on: 03 February 2010, 21:10:05 »
and I'm now REALLY confused .. just noticed the title of the thread

0443

but the original post says 0433

which is it ???

As 0443 has a write up here which could be useful if that is what you mean ...

http://www.obd-codes.com/p0443

Confused of Wiltshire now .......   :(
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Kevin Wood

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Re: Confused....emission code 0443.
« Reply #9 on: 04 February 2010, 00:05:56 »
If it's 443 it's potentially an easy one. Evap. Emission purge valve is a little black solenoid valve just behind the driver's side cylinder head. One of the smaller 2 pipes from the black breather housing on the plenum goes to it, and then in to the driver's side wing. You can probably find it by following the pipes.

Erro is complaining that the circuit is open, so possibly connector on this solenoid is loose or coil has gone open circuit.

Kevin
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sandune

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Re: Confused....emission code 0443.
« Reply #10 on: 04 February 2010, 09:28:05 »
Thanks  Kevin .
 Sorry for the typing error. Yes the code was PO443. Again ...the confussion seemed to had spead a little.
 Cheers  sandune  ;) ;D
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