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check engine light came on

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Old Jan 20, 2004 | 08:07 PM
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BackSpacer_C5's Avatar
BackSpacer_C5
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From: Hampstead NC
Default check engine light came on

My check engine light came on tonight (99 A4 51000 miles) and I checked the codes and the documentation that I have does not say what these are. Can someone decipher them? I cleared them and the check engine light went off.

10 PO442 HC, PO461 H

A0 LDCM U1064 H
A1 RDCM U1064 H

B0 RFA U1096 H, U1064 H, U1016 H

I haven't drove the car lately and its about 25 degrees F tonight.

Thanks guys.


[Modified by BackSpacer_C5, 8:08 PM 1/20/2004]
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Old Jan 20, 2004 | 08:25 PM
  #2  
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Richin Chicago
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From: Wilmington NC
Default Re: check engine light came on (BackSpacer_C5)


My check engine light came on tonight (99 A4 51000 miles) and I checked the codes and the documentation that I have does not say what these are. Can someone decipher them? I cleared them and the check engine light went off.

10 PO442 HC, PO461 H

A0 LDCM U1064 H
A1 RDCM U1064 H

B0 RFA U1096 H, U1064 H, U1016 H

I haven't drove the car lately and its about 25 degrees F tonight.

Thanks guys.


[Modified by BackSpacer_C5, 8:08 PM 1/20/2004]
PO442 HC The only one that is "C" (current or still existing) is the fuel tank pressure. Check your gas cap to make sure the gasket is complete and clean. Put it back on and make sure it clicks several times.
The U1096 H, U1064 H, U1016 H come with the car at no extra charge! Those are always there when I check my car. My understanding is the trip level for thise codes is too critical and the slightest pulse. (Very short loss of communications) sets them off.

PO461 H is the left fuel level sensor. Since it only has an H code it cleared.


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Old Jan 20, 2004 | 08:53 PM
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Default Re: check engine light came on (Richin Chicago)

thanks. nothing to worry about then huh?
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Old Jan 20, 2004 | 08:58 PM
  #4  
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Richin Chicago
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From: Wilmington NC
Default Re: check engine light came on (BackSpacer_C5)

thanks. nothing to worry about then huh?
Shouldn't be anything that is going to harm any of the running parts. Just keep checking your trouble codes. But it sure doesn't look critical.
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