READ THIS IF YOU HAVE A CHECK ENGINE LIGHT!

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#21

01-18-2012, 12:34 AM

MarrakeshRed

1st Gear

Join Date: Nov 2011

Posts: 2

where are the replies?

#22

01-18-2012, 08:35 PM

JÃ©rÃ©my Rometti Hartman

1st Gear

Join Date: Nov 2011

Location: Richmond VA

Posts: 18

Quote:

Originally Posted by njscardino

Ran into a CEL yesterday. Threw a code for P0411 I believe, a blockage in the secondary air pump unit, or something along those lines. Turned out it was the vacuum line going to the combination valve. The line was too short and it was pinching somewhere, causing a blockage. So if any of you run into this and you are able to test all the other components, this may be your cause ....

I've been receiving this same code from a CEL for the past 2 years. I thought it may be just a faulty secondary Air injection system however lately I have been hearing it run after starting the engine up on cold days only to still have the P0411 keep coming back after I erase the CEL codes...so this vacuum line that goes to the combination valve..well I cant seem to find it..could you please post up some pics or a better description of where it may be??? Thank you

#23

03-08-2012, 01:17 PM

Bayleybeee

1st Gear

Join Date: Aug 2011

Location: Oklahoma

Posts: 7

3 different codes :(

My A4 has had multiple ongoing problems. I believe my turbo may be malfunctioning or I have a major valve/vacuum leak- I'm not sure. Here are the codes:
P0507-Idle air control system RPM higher than expected
P0722-Output speed sensor circuit no signal
P0171-system too lean-bank 1

ANYONE, PLEASE HELP ME!!!!!

-xoxo

Last edited by Bayleybeee; 03-08-2012 at 01:39 PM.

#24

03-24-2012, 05:26 AM

trish44

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Join Date: Mar 2012

Posts: 1

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#25

09-10-2012, 10:14 PM

Tyler b5

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Join Date: Aug 2012

Posts: 1

Thats your abs sensor

#26

01-17-2013, 12:07 PM

Emonahan

1st Gear

Join Date: Jan 2013

Posts: 1

Quote:

Originally Posted by SincereOne12

I would not suggest driving your car too far if you're check engine light is flashing because of a misfire. Your fuel will eat the hell out of your catalytic converter and your 100 ignition coil and whatever else you spend on coils will end up running you $4000 on a new cat. So watch it.

Well it shouldn't be a problem if he lives close to the auto parts store. It won't kill the car especially if he has been using it daily

#27

04-14-2013, 02:15 PM

Stevendurh

1st Gear

Join Date: Apr 2013

Posts: 1

Got a call from my wife who told me that the CEL (which has been on for two months) started flashing and the car started running "funny" (she's not much of a car person). She immediately shut it off after pulling back into the garage. After reading a few of these posts, I have a couple of questions. Before I go too much farther, the car is a 2007 a-4 cabriolet Conv.

1. I recently drove off from a gas station with my gas cap off, and read here that that's bad. Assuming that no one tampered with my car, why would this cause the CEL to come on?

2. I have an extended warranty, and if its something serious like coils or the cat converter, are these things usually covered?

3. When they plug the car in and read the fault code, does it tell them how long the CEL has been on. I'm wondering if driving it so long with the light on will void the warranty?

Thanks in advance!