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fionaflame1
Lexus NX Engine Stalling Reduced Power
4 comment(s)
fionaflame1 (Author)
Yeah, the acceleration isn't as smooth as it used to be. It's a bit jerky. You mentioned the high pressure pump – was that the culprit for you? And how did you figure it out?
manfred_dunkel30
Yep, high pressure pump was the problem. The dealer diagnosed it. Apparently, a defective fuel volume regulator can trigger all those symptoms. Bit of a pain, cost me around 1510€ to get it sorted. I'd take it to a workshop to be sure.
fionaflame1 (Author)
Thanks for the info! I took it to my local mechanic, and you were spot on – it was the high pressure pump. They replaced it, and everything's running smoothly now. Really appreciate the help!
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manfred_dunkel30
Sounds familiar! I had similar symptoms with my NX. Check engine light, rough idling, and definitely felt a power loss. Could be the high pressure pump. Is it struggling on acceleration too?