Astra, Corsa, Zafira, Meriva, Adam, Agila, Combo
P0171 appearing time and again and resulting in very very bad fuel economy, poor pickup at lower revs, etc. The
e garage suspected front 02 sensor, got it replaced but code appeared again.
I don't think it is the common blocked EGR channels as both LTFT and STFT decrease at higher revs. I...