2010 Lexus LX Diesel Showing Check Engine Light and Power Loss: Potential Crankshaft Sensor Issue?

Hey! Reading your symptoms makes me flash down to memory lane of my 2013 Lexus GX. I had a pretty similar issue last year, with the infamous check engine light popping up, irregular engine behavior, and long starts in the cold. And just like you, I had my suspicions pointed towards the crankshaft sensor. After diagnosing it at the garage, turns out my guess was accurate. My wiring harness for the crankshaft sensor was indeed defective. It was indeed quite a serious issue because that little sensor plays a crucial role in the engine management system; dealing with how the engine runs, fuel timing, etc. So don't take this light-heartedly; it can lead to a bunch of other issues if not dealt with promptly. To fix this, the mechanic had to rewire the harness to the sensor effectively. After replacing it and a quick test drive, my GX was back to normal without further issues. Hope this helps you. Do get it checked soon. Cheers!

Hey there your experience sounds eerily familiar to what I'm dealing with right now with my LX. It's definitely a relief to hear that you managed to sort it out. On a side note, do you happen to recall approximately how much you shelled out for the repair? And have you stumbled upon any related issues since fixing up the sensor? Cheers.

Hey! Sure thing, I remember it quite clearly. The repair for the crankshaft sensor wiring harness didn't cost a fortune - I paid around 170 Euro for it. That included the cost of the wiring harness connector and the labor fees for the mechanic. Ever since the fix, my Lexus has been driving like a dream; no engine light, no cold start issues - as smooth as it can get. Not only was the crankshaft sensor malfunction fixed, but I haven't faced any other related problems since then. So, don't sweat it, seems like this is the right path for your Lexus troubles too. Always happy to share my experiences, I hope you get yours sorted out soon without any hassle. Cheers!

Hey again, That's really helpful to hear. I'm taking a sigh of relief knowing it won't drill a hole in my pocket. Also a big thumbs up to knowing that you haven't run into any other related problems. Definitely helps in building a bit of confidence for me. I'll be giving the mechanic a visit ASAP. Your response has given me a good heads-up about what to look out for during the repair. Truly appreciate your help with this. Shout out to you and your smooth driving Lexus! Thanks. Cheers!