High fuel consumption of my 156 has been puzzling me from day 1, the figure was about 100km/12.x liters or 22.6 mpg. It is high for a 2-liter engine here.
From a local Alfa fan club gathering, a friend suggested replacing the O2 sensors when we had talked about the fuel consumption issue. I remembered that some discussions on car forums suggested something similar.
As mentioned in a previous post, it is common to uncover hidden problems that were not found during the test drive. And 2 of them are particularly annoying. In this post, I talked about the bouncing idle rev problem.
I asked the seller and the previous owner about the bouncing idle and was told that the symptom has been there for long and made no impact to the performance so that it can be ignored…..🤔 Since then I searched for answers from every Alfa forum I could found through Google. One by one from different sources, I found many probable causes and solutions. I had no luck by trying some of them right after if the solution is DIYable☹
Just over 2 months of the ownership, the 156 gave me its first warning. At a time, my younger brother driving it with my mother on the way home experienced a lack of power suddenly and eventually the car stalled on a busy lane. I’d say it’s definitely a nightmare, if not the the worst one, to deal with, isn’t it.
Luckily my brother managed to fire the car up after a few minutes and reached home. It is time for an overhaul. Since we had experience in something similar with a Volvo S70, I replaced the MAF at once.
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