TKoehler
Black smoke and power loss in Toyota Crown 2016: Possible causes and solutions
(Translated from German)
Summary of the thread
A 2016 Toyota Crown is experiencing black smoke, power loss, engine jerking, a loud hiss, poor fuel consumption, and a strong exhaust odor. The check engine light is on, and there is a suspicion of a faulty charge air temperature sensor. A similar issue in another vehicle was caused by a faulty engine control unit (ECU), which affected fuel injection and ignition. The recommended solution is to have the car thoroughly checked by a trustworthy mechanic, as a faulty ECU can lead to serious engine damage.
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4 comment(s)
TKoehler (community.author)
Hey, it's good to know that I'm not alone with my problem. Your case sounds really serious, which shows once again how important it is to go to the garage in good time. I'll take your advice to heart and have my car checked thoroughly. Can you perhaps remember how expensive the whole thing was for you? And how has your car been since then? Have there been any other problems? Thank you in advance and have a nice evening. Best regards!
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JensHartigFan
Hey, sure, I can still remember it well. It was a pretty big job that caught me out. The repair of the evaluation electronics (i.e. the engine control unit) cost me a whopping €1000. Not a lot of money, is it? But, you know what? Since then, the car has been running like clockwork. The malfunction of the charge air temperature sensor problem, which I suspected had something to do with it, was also resolved once the mechanic had been through. Now there's no more whistling, the engine runs smoothly and the jerking when accelerating is gone. Sure, it always hurts when you have to fork out so much money for repairs, but when you see how well the car runs afterwards, it's okay. I hope it works out as well for you. Take care and don't hang your head! Best regards!
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TKoehler (community.author)
Hey, a thousand euros, that's really not a lot of money. But if that's the only way to get my car running again, then I'll have to accept it. I'm reassured to hear that your car is doing better since the visit to the mechanic. That gives me hope that my car will be better too. Thank you very much for the information and the kind wishes, that really helped me! At least now I know what to look for and what I might have to face. All the best to you too and hopefully you will be spared such problems in the future. See you then and thanks again! Best regards!
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TOYOTA
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CROWN
JensHartigFan
Hey, I had a similar problem with my 2013 Toyota Celsior. An electronic evaluation unit (ECU) fault was to blame. The ECU ended up messing up my fuel injection, ignition, and other things. After taking the car to the garage, the mechanic had to remove and replace the ECU. It was definitely a serious problem because the incorrect fuel/air mixture control and ignition errors could have damaged my engine if it wasn't fixed in time. And yes, I also had that loud hiss when accelerating and my car started jerking just like yours. So, go to a trustworthy mechanic and have your car thoroughly checked. A faulty engine control unit is no joke. Good luck, hopefully everything will be back to normal soon. Greetings!
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