Urgent help needed please!

[Ovid]

Hello peeps
Im in the south of france in the audi and its throwing this codes, im thinking its the rad tempsender thats causing them any help would be really appreciated as audis down here and audi mechanics areas rare as a french driver with manners!

 

[Ovid]

Sunday,23,August,2015,11:29:58:62939
VCDS Version: Release 12.12.0

Address 01: Engine Labels: Redir Fail!
Control Module Part Number: 8E0 909 518 AA HW: 8E0 909 018 A
Component and/or Version: 1.8L R4/5VT 0004
Software Coding: 0011504
Work Shop Code: WSC 00672 785 00200
VCID: 6FED35377D68D7667D9-5000
4 Faults Found:

17698 - Coolant Temp Sensor at Radiator Outlet (G83)
P1290 - 002 - Signal too Small - Intermittent
16804 - Catalyst System; Bank 1
P0420 - 002 - Efficiency Below Threshold - MIL ON
18062 - Please check DTC Memory of Instrument Cluster
P1654 - 004 - - Intermittent
16717 - Knock Sensor 2 (G66)
P0333 - 001 - Signal too High - Intermittent

Readiness: 0000 1000

 

[Ovid]

Ive tested instrument cluster and everything is fine there ,so it looks like dodgy connection on rad outlet sensor ???????

 

[Ovid]

Me thinks it could be ****** french 95 octane fuel so going put 98 in and see if knock fault reappears!