00 2.7t start problem. Sensors? Pls help
#1
00 2.7t start problem. Sensors? Pls help
I have a 2000 a6 2.7t with about 65k miles. I've had a few small problems, but for the most part, this is the most exciting of 5 audis that i've owned in my lifetime.</P>
Problem: Car won't start right off. The starter cranks and cranks, and nothing happens, then after a while of waiting, it will start again. The wait time has increased considerably since the first occurance 4 days ago. This has happend only when I've driven the car somewhere, then left within 10-15 minutes of arriving. When i've had the car parked for over an hour, i haven't seen this problem (yet). <IMG src=smileys/smiley7.gif border="0"></P>
Possibilities: Well, since the gas tank is full, I know i'm not out of gas. I only use premium and I use fuel injection cleaners regularly.</P>
I'm hoping someone has experienced a similar problem and can save me thean extremely expensive date with the local audi dealerships.</P>
Thanks in advance,</P>
UtahSteve <IMG src=smileys/smiley17.gif border="0"></P>
#3
RE: 00 2.7t start problem. Sensors? Pls help
Your coolant sensor may be malfunctioning - it could cause the ecu to adjust the timing if it thinks the engine is cold when it isn't.
But it could simply be your coilpacks; have you had them replaced at all during the 65K miles?
But it could simply be your coilpacks; have you had them replaced at all during the 65K miles?
#4
RE: 00 2.7t start problem. Sensors? Pls help
these symptoms EXACTLY match the failed fuel pump i had in my 100cs. i got the pump for about $200 and (in the old audi) took about an hour to put it in. this was a lot of aggravation because on longer trips the car would not restart for over an hour, and i had it towed several times only to have it start right up for the mechanic. give me an update when you get the chance.
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