astra h twinport

Hola, been putting this off for far too long but I'm on it now before it gets any colder. The blowers aren't working on any speed. I picked up a cheap fan just in case ages ago, I've done that and the panel, but it's neither. Resistor looks good too, it's a light use car so clean as a whistle...

After reading the fault codes: P0135 - 02 sensor heater circuit bank 1 sensor 1 P0141 - 02 sensor heater circuit bank 1 sensor 2 P0443 - Evaporative emission system purge control valve circuit. I've tested both 02 sensors with a multi-meter and all ok, both have a resistance between 8-12 and...