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Old Mar 5, 2004 | 01:08 AM
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Question DTC Code

Okay, I'm having trouble getting the definition for a DTC code. I hooked my truck up to one of those nifty code readers, and all I got was the code[undefined?], which doesn't do me much good if I want to keep my 'check engine' light from coming on.

If anyone can help, this is the code 'C0442'

The most information I have been able to track down, is something about an 'auxiliary emission system sensor', but nothing specific,

help, please.

Thanks,
Brian
 
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Old Mar 5, 2004 | 08:29 PM
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Is it a P0442 instead of a C0442?
P codes are Powertrain codes which will turn on the Check Engine Light.
C codes are chassis codes such as ABS.
A P0442 indicates that a fuel vapor leak has been detected in the Evaporative Emission (EVAP) system.
 
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Old Mar 5, 2004 | 11:47 PM
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Yep, it's a 'C' not a 'P'. That has been the root of my problem, the reader has no definition for it, and all the DTC lists I can find on-line do not include 'C' codes, or very few, it's frustrating when you have a reader.

Thanks for your help,
Brian
 
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Old Mar 6, 2004 | 12:00 AM
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Are any warning lights on?
Any other symptoms?
 
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Old Mar 6, 2004 | 12:02 AM
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The only thing that sent me to the reader was my, ever vague, 'Check engine' light. Otherwise the truck is running like it always has.

Brian
 
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Old Mar 6, 2004 | 08:11 AM
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A check engine light is caused by a P code. I think I'd take it and get it scanned with a different scan tool and see what comes up.
 
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Old Mar 7, 2004 | 12:41 AM
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And then on the way home tonight, it went out.

Oh well.

Thanks again.
Brian
 
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