jubblyray

Hi,

Please can someone please explain / give me some advice on the below fault codes , They have been produced from a shareware version of VAGCOM on my Audi S6 C5 engine code AQJ

16711 and 16716 knock sensors circuit low input (check/clean connections/re torque/new sensors)

Where are the connections on the engine ?

17521 bank 1 sensor 1 internal resistance too high O2 pre sensor

which side is bank 1?

Are the codes linked in some way or is there another fault "spoofing/creating" these codes thanks in advance.

Redneck Truck

Good thinking with your last question - most people just replace parts. I'd visually inspect the parts for damage, and then the wiring connectors, and then check the continuity of the wires. If you've got some spare parts to throw on to see if they fix the problem, more power to you.

The B1 knock sensor on my 4.2 is under the intake manifold, and the B2 is outside and below the LH cylinder head.

The B1 oxygen sensor is on the RH down pipe visible but hardly accessible from the engine bay. Good luck!