General, cleaning EGR valve is not complicated and does not require special tools, and is not time-consuming, at the same time, can improve the performance of diesel engine in your Saab.
On the internet you can find a lot of detailed DIY instructions, I’ve already mentioned on this blog, but this latest video is the best, not for explanations, but for the best camera angle! With the help of this video, even if you are the greatest layman, you will easily clean your EGR valve:
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