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Codes Pulled Again - PLZ Help Tech

  #1  
Old 03-30-2008, 12:57 PM
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Default Codes Pulled Again - PLZ Help Tech

Okay, got them pulled again last night Tech. Thanks once again for all your help.

Here is what we pulled. Also these were pulled before I replaced the plugs today:

P0455

P0488

P0432

P0422
 
  #2  
Old 03-30-2008, 03:37 PM
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Default RE: Codes Pulled Again - PLZ Help Tech

Here are the codes from VADIS: (no listing for P0455 & P0488)

P0422 ECM-4801 Three-way catalytic converter (TWC) efficiency Intermittent fault
P0422 ECM-4801 Three-way catalytic converter (TWC) efficiency Permanent fault
P0432 ECM-4901 Three-way catalytic converter (TWC) efficiency, bank 2 Intermittent fault
P0432 ECM-4901 Three-way catalytic converter (TWC) efficiency, bank 2 Permanent fault

and here they are from a generic list: (no listing for P0 488)

P0422 Main Catalyst Efficiency Below Threshold (Bank 1)
P0432 Main Catalyst Efficiency Below Threshold (Bank 2)
P0455 Evaporative Emission Control System Leak Detected (gross leak)

George
 
  #3  
Old 03-30-2008, 10:02 PM
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Default RE: Codes Pulled Again - PLZ Help Tech

Thanks for the info. That's pretty much what I got from the print out also. I am wondering what I need to do to fix them? I am guessing (haven't checked yet) that a new cat would be expensive. Should I go the hillbilly way and take them offf and try to bang all the stuff out or cut-em and run straight through? I don't think that is legal but that would not be my main concern. I just wouldn't want the car to sound loud like a 16 year old ricer Civic driver or anything. Also would this throw more codes if I ran stright through? Any and all thoughts and suggestions welcome. BTW, where in Vadis do I put in the trouble codes to get information? Thanks in advance.



EDIT:

Here's what the other two are showing from the Autozone readout.

P0448 Says: The PCM has determined that a short circuit condition exists in the electrical circuit for the vent control in the evaporative emission control system.

P0455 Says: The PCM has determined that a large leak exists in the evaporative emission control system.
 
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Old 04-01-2008, 06:53 PM
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Default RE: Codes Pulled Again - PLZ Help Tech

The evap valve might be bad.
Also check for a vaccum leak.
 
  #5  
Old 04-02-2008, 05:03 PM
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Default RE: Codes Pulled Again - PLZ Help Tech

ORIGINAL: tech

The evap valve might be bad.
Also check for a vaccum leak.
Forgive my ignorance please:

Where is the evap valve?

Another newbie question. How do I check fora vaccumleak?

Should I check the retun lines for leaks. I am going to buy a new gas cap but that would probably just be luck if that's all it were.
 
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