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Old 03-14-2008, 08:10 AM
theyard1 theyard1 is offline
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Re: 2003 chevy impala trouble code 0420

the car has 93000 miles it has not lost any power and the fuel economy is good the code has been there for 8 weeks it started trowing the code after my wife had the fuel injectors clean

Last edited by theyard1; 03-14-2008 at 06:38 PM.
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