[Biturbos4] B5 S4 codes

[Cody Forbes]

That really looks like a power supply issue. Too many different things. Best thing to do would be break out the multimeter and check power to various things that hate issues. 

-Cody Forbes (mobile)

On Nov 9, 2014, at 12:10 PM, mike <mikemk40 at yahoo.com> wrote:

> Gents, 
> 
> codes I have are, 
> 
> |  16514  |  P0130  |  O2 Sensor Circ.,Bank1-Sensor1 Malfunction  |
> |  18010  |  P1602  |  Power Supply (B+) Terminal 30 Low Voltage  |
> |  16955  |  P0571  |  Cruise/Brake Switch (A) Circ Malfunction  |
> |  16486  |  P0102  |  Mass or Volume Air Flow Circ Low Input  |
> |  18030  |  P1622  |  Engine coolant temperature signal range/performance  |
> |  16490  |  P0106  |  Manifold Abs.Pressure or Bar.Pressure Range/Performance  |
> |  16538  |  P0154  |  O2 Sensor Circ.,Bank2-Sensor1 No Activity Detected  |
> |  17528  |  P1120  |  O2 Sensor Heater Circ.,Bank2-Sensor1 Open  |
> 
> 
> second & third went and haven't returned after clearing, the others have come back.
> 
> Does anyone know if there are any upstream fuses or other faults that could be giving false positives or am I safe in assuming that the actual sensors mentioned have failed?
> Cheers
> 
>      From: tom winter <tom at tomwintermedia.com>
> To: quattro at audifans.com 
> Cc: mikemk40 at yahoo.com 
> Sent: Wednesday, 5 November 2014, 20:08
> Subject: B5 S4 codes
> 
> For the B5 platform, the forums at Audizine are pretty good. Do some
> searches and if you can¹t find anything, then maybe post up some
> questions: http://www.audizine.com/forum/forumdisplay.php/3-B5-S4-RS4
> 
> 
> Tom 2001.5 S4 Avant
> 
> 
>> From: mike [mailto:mikemk40 at yahoo.com]
>> Sent: November 03, 2014 2:39 PM
>> To: 'Quattro List'
>> Subject: B5 S4 codes
>> 
>> Long time no post but my old S4 has been retired at 230k miles and
>> replaced with a "new" one, same age but *only* 100k miles.
>> new one is doing 22 mpg (old one did 27) so codes were read.
>> 
>> Seems there are lambda sensors not working plus maf isn't working but
>> strangely, looking at blocks I have 50c inlet air temp which on a cold
>> idling car in the UK is nonsense.
>> Does anyone know where this temperature reading comes from? Is it MAF?
>> Cheers
>> Mike
>> 
>> 
> 
> 
> 
> 
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