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SigiWheels

Seeking Advice on Troubleshooting Exhaust, Engine, and Fuel Issues in 2020 Lexus LC Hybrid

Jerking on acceleration

Check engine light on

Loss of engine power

Strong exhaust smell

Black smoke from exhaust on acceleration

Unsteady engine

Poor fuel economy

Engine shuts off by itself

Stalling while idling

Hey all, I've got a puzzle with my 2020 Lexus LC Hybrid that's causing me a bit of grief. Lately, I've been noticing black puffs billowing from the exhaust when accelerating, a lit-up check engine light, and the engine just turning off out of nowhere. On top of that, the power seems to be on a downhill trend, the engine is unsteady, and the car jerks when I step on the gas. I'm also burning through fuel quicker than usual, there's a heavy exhaust smell, and the car stalls while idling. I suspect the rail pressure sensor might be on the fritz, causing these issues. Does anyone else have experience with this sort of problem? Could you share how you managed to fix it and what your workshop experience was like? Any tips on troubleshooting it better? Thanks in advance!

4 comment(s)


SilkeRacer

Hey there! Your issue reminds me of something I encountered with my 2018 Lexus ES, a similar model. Now, I can't claim to be a full-fledged car whizz, but I've dabbled enough to have some experience under the old belt. In my case, turns out the pressure sensor was defective like you suspected. Once I nailed it down, I took my ride to a local workshop I trust. The fellas there got to work and managed to replace the faulty sensor. The cost was around 240 Euro but definitely worth it to get my car back at peak performance. I'd definitely recommend doing the same if your issue turns out to be the same as mine. But hey, could you give some more details about your car? That way, I might be able to tailor my advice a bit more to your beast. Cheers!

SigiWheels (Author)

Hi there! Wow, sounds like we've been in the same boat. Thanks heaps for sharing your experience - really valuable insight right there! To drill down a bit more on my car specifics - my LC Hybrid's a 2020 model, and I've just clocked 13714 km on it. The last service was not all that long ago, actually. It's surprising to have this issue crop up so soon. Meanwhile, I'll definitely explore getting that pressure sensor checked at a reliable workshop, like you did. It's better to have it up and running smooth than chugging along, huh? Thanks again appreciate your help heaps!

SilkeRacer

Hey again! It's not uncommon to run into issues even with newer models; cars have a funny way of keeping us on our toes, don't they? Your mileage isn't all that high for this kind of issue, but hey, stranger things have happened. I see you had your service not too long ago. Given your recent service, it'd be wise to check whether they maybe overlooked something or didn't fit something back properly. It's a long shot, but I'd hate for you to shell out cash if it's a simple fix. That said, if diagnosing it yourself isn't your cup of tea, getting the pressure sensor checked professionally is a safe bet like I've mentioned before. A small investment towards keeping your beauty purring smoothly is worth it in my book. Lastly, I gotta say it feels good to help a fellow Lexus owner navigate these waters. Hang in there and remember, every car issue is a chance to understand your trusted steed a bit better! Keep us posted on how you get on, yeah? Good luck!

SigiWheels (Author)

Hi, thanks for the encouragement and further advice! Indeed, cars do have a knack for stirring up surprises, eh? That's a good idea to consider if something from the recent service could've had a part to play in this. I'm going to dig up my service records and have a thorough look. As for the pressure sensor, right you are. It sounds like a gnarly issue to face solo, so I think a professional check-up is my best bet. After all, what's a bit of investment compared to the peace of mind, hey? Can't tell you how grateful I am for your helpful insights. Posts like yours make navigating these tough situations easier. I'll surely keep everyone updated on what the issue finally turns out to be and how the fix goes. Until then, happy driving and again, thank you!

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