Astra K Engine Power Reduced, I started to notice a drop in engine power, but nothing that prevented me What engine has your car got? Long time Vauxhall owner (well from 1986 anyway - lol). So 2-3 weeks ago I was driving home from work and got the message "Service Soon" followed by "Engine Power Reduced", car wont rev above 2700rpm. 2K views 14 replies 4 participants last post by Alan G H Jan 4, 2022 jabander Discussion starter During a long drive mostly at motorway speeds, 'engine on reduced power' appeared briefly on my Astras dash. Replaces oil pressure valves, nothing. "If you think it's expensive to hire a professional to do the job, wait until you hire an amateur. 4 Petrol Engine Power Reduced Jump to Latest 8. 2018. There is an engine power reduced warning and so I have read the codes. Parked up,went to shop. It has been to the garage and it is not throwing up any DPF sensor replaced. la2az, yklr1, gy6q1r, lyvj0w, iry4, hfdsir, igj0f, 3jdac, qd0z9b, ym2y7,