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vauxhall vectra c 1.8 petrol - vectra 2003 fuel consumption - jakers

excessive fuel consumption.

Done pedal test. Codes are:

0036-02 sensor heater circuit range/performance (bank 1 sensor 2) C-31

0136-02 sensor circuit high voltage (bank 1 sensor 2) C-32

0136-02 sensor circuit voltage low C-32

0136-02 sensor 2 open circuit C-32

1555-Throttle position sensors (TPS) load signal not plausible with engine load C-09

other codes maybe not affecting fuel consumption:

0568-cruise control set signal circuit high input C-17

0704- clutch switch input circuit high input C-16

1481/1482- fan relay 1 &2 circuit high-signal low/open circuit C34

1614-wrong security code received immobiliser C-06

1616-wrong vechile ID from instrument control module C-40

my issue is high fuel consumption

currently i'm getting half of what i did in previous 1.6 laguna in one week.

what can i do to remedy this (cheaply as i've just splashed £1500 on the car a week ago)

is there anything i can clean, change or remedy to sort the fuel issue?

grateful for any help whatsoever.

thanks in advance......

can the fault codes be cleared manually on this model (2003 vectra c hatch) feb

vauxhall vectra c 1.8 petrol - vectra 2003 fuel consumption - 1litregolfeater

"can the fault codes be cleared manually on this model (2003 vectra c hatch) feb"

Perhaps if you disconnect the battery for a bit.

Looks like one of the o2 sensor's jiggered.