[s-cars] loss of power

[James Murray (QB/EMC)]

Sean, do you know for sure if the knock sensor output will always register as a Fault Code and remain stored? What I mean is if there is a knock due to whatever (bad gas, rattling, etc) and the KS sends a signal to the ECU to retard timing, will it also store a fault code? or will the ECU only store a fault code when on of the KS goes bad? (I'm assuming the ECU gets a signal from one KS and not the other, so it registers the KS as faulty).

/JaMu.

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of Sean Douglas
Sent: Tuesday, June 29, 2004 3:32 PM
To: Elijahallen92 at aol.com; robert at s-cars.org; s-car-list at audifans.com
Subject: RE: [s-cars] loss of power


Elijah:

If you check your diagnostic fault codes (DTC) with a VAG 1552 or
VAG-com, it will tell you which, if any knock sensors are bad.

Sean

> -----Original Message-----
> From: s-car-list-bounces at audifans.com 
> [mailto:s-car-list-bounces at audifans.com] On Behalf Of 
> Elijahallen92 at aol.com
> Sent: Monday, June 28, 2004 12:37 PM
> To: robert at s-cars.org; s-car-list at audifans.com
> Subject: Re: [s-cars] loss of power
> 
> 
> In a message dated 6/28/2004 3:32:36 PM Eastern Standard Time, 
> robert at s-cars.org writes:
> 
> 
> > Knock sensor signalling ECU to cut back advance?  That will 
> absolutely 
> > kill
> > 
> > power.
> > 
> > Different fuel recently?
> > 
> 
> My first thought was fuel but I have tried other fuel and the 
> problem is the 
> same. I have never had an issue with a knock sensor. How many 
> are there and 
> where are they located? If it is a knock sensor why does it 
> only happen when I 
> go WOT at or below 3000 rpms? Thanks,
> 
> Elijah
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> 

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