while i was driving yesterday, i noticed my engine light came on. i haven't checked for any codes yet but it didn't affect performance at all. could it just be a loose connection ? i will go ahead and see if there are any codes but for the meanwhile can you guys just throw some ideas in what could it be and what i could do to fix it ?

stock A6 motor

 

you really need the code. the check engine light could be any of the codes so guessing would be useless.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mr. carpenter &raquo;</TD></TR><TR><TD CLASS="quote">you really need the code. the check engine light could be any of the codes so guessing would be useless.</TD></TR></TABLE>
Exactly, unless you pop the hood and see some sensor unplugged (Doubtful) you are definately going to need the code.

 

online service manual:
http://www.binghamtonlife.com/...s.htm

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 88DXCRX &raquo;</TD></TR><TR><TD CLASS="quote">[url=http://www.binghamtonlife.com/[/url] </TD></TR></TABLE>


Hey I went to SUNY Binghamton!

 

thanks for that link ! k i checked the the ECU for codes and i'm sure its the O2 sensor cuz it blinks once then a pause then it just keeps doing it. i counted over 20 actually and i remembered there's only like 20 codes

O2 sensor, right ?

 

O2 sensor....right ?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by zcivicz &raquo;</TD></TR><TR><TD CLASS="quote">O2 sensor....right ?</TD></TR></TABLE>

yes

 

yup