[Biturbos4] B5 S4 codes

[Cody Forbes]

What he said!

-Cody Forbes (mobile)

On Nov 9, 2014, at 3:53 PM, Andrew Lundy <fast4cefed at gmail.com> wrote:

> I would say it looks like a connector is unplugged, or some wires got broken.  Perhaps some rodents took the liberty to rewire your car?
> 
> On Nov 9, 2014 2:48 PM, "Grant Lenahan" <glenahan at vfemail.net> wrote:
>> I was going to say that, except that, in general the “power supply” is the battery, unless these things run off a lower voltage regulated supply from, say, the ECU.
>> 
>> And you did not suggest a weak battery
>> 
>> But i agree with Cody. I just couldn’t explain it further…
>> Grant
>> 
>> On Nov 9, 2014, at 2:31 PM, Cody Forbes <cody at 5000tq.com> wrote:
>> 
>> > 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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>> >> http://www.audifans.com/kb/List_information
>> > _______________________________________________
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>> 
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