What I like to do here is split the faults into groups of what could be related to the customer’s complaint and what can be left for now and diagnosed/repaired further down the line. Reviewing the situation, we have six faults stored on initial inspection. The EGR valve vacuum control solenoid had also been replaced as it had fallen apart, and on removal the old one had signs it had been broken and repaired. Upon asking some questions, he told me that the vehicle repeatedly logged faults for turbo boost pressure, so the boost pressure sensor (MAP) had been replaced but the vehicle still had the same symptoms. Plugging in my Snap-On Zeus, the one that was part of my prize when I won Top Technician 2019, I was presented with the a number of fault codes (see Fig.1). After all, on several occasions he had helped me out with one thing or another. I offered to bring some tools home and plug it in and have a quick look one night, and then offer some advice on where to go next as a favour. The vehicle logged turbo boost pressure fault codes under load, and had slowly got worse and worse to the point it was now as flat as a pancake and had no power at all.
After his local garage plugged into it, they changed some parts based on fault codes they found, but it was no better. One evening, having a chat over the fence, he said he had been having running issues. The vehicle was a 2008 Vauxhall Antara 2.0 Diesel, which belonged to my neighbour Gordon. Then again, it can also leave you questioning what it means and what is causing it to be set if you don’t know why it has logged in the first place.Ī recent job I had backs up the importance of knowing what the information is telling you. A fault code can tell you a lot, if you understand what it is telling you.
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