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| Cavalier Problem Diagnosis Got a problem you can't fix? We can help. |
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04-21-2008, 06:37 PM
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#1 | |
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AF Newbie
Join Date: Nov 2007
Location: Wakeman, Ohio
Posts: 7
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2003 Cavalier code P0420
What would need to be replaced with a code P0420? The book says Catalyst system efficiency below threshold (bank 1)..... Thanks
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04-22-2008, 08:48 AM
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#2 | |
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AF Regular
Join Date: Apr 2004
Location: Moore, South Carolina
Posts: 223
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Re: 2003 Cavalier code P0420
Hey mate..... If the car is runnning good.... Reset the code and do nothing !!!!
Just make sure you are up ta-date on a Tune-up (plug, wires), Petro and Air Filters.... If that is all good. Go to frigie and take out a long neck and have a "Rip snorter" of a day !!! Cheers.... JzJzz , and the Man from Down Under.... |
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04-22-2008, 11:52 AM
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#3 | |
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AF Newbie
Thread starter
Join Date: Nov 2007
Location: Wakeman, Ohio
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Re: 2003 Cavalier code P0420
Hi,
Thanks for your help. Being a Auto Body tech I am not up to date on modern cars. The car belongs to my sons freind. I will check the plugs and wires and filter. Now off to kill the rest of that 12 pack. Thanks |
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04-22-2008, 11:15 PM
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#4 | |
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AF Regular
 
Join Date: Mar 2007
Location: Gallatin, Tennessee
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Re: 2003 Cavalier code P0420
If that don't work try an 02 sensor bank one is pre catalytic converter I think?
CHEERS HELMUTH glad to see the spirtits are alive and well
__________________
 IF I JUST DID IT RIGHT THE FIRST TIME
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04-24-2008, 03:40 PM
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#5 | |
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AF Regular
Join Date: Apr 2004
Location: Moore, South Carolina
Posts: 223
Thanks: 0
Thanked 1 Time in 1 Post
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Re: 2003 Cavalier code P0420
Yes....Help keep the spirits alive....even at work, I find time for a quick Butcher !!! Cheers, Kirkwood and may your bottle always be half full !!! and a greasy wrench in your hand.
JzJzz and Donk.....the Man from Down Under. |
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