KlausFischFan
Power loss and engine problems with Toyota 4Runner Diesel 2005
(Translated from German)
Summary of the thread
A 2005 Toyota 4Runner diesel is experiencing power loss, uneven engine performance, jerking during acceleration, stalling at idle, and black smoke from the exhaust. The suspected cause is a defect in the swirl flaps of the intake manifold, which are crucial for the combustion process. A similar issue in a 2008 Toyota Land Cruiser was resolved by replacing the broken swirl flap, suggesting this as a potential solution for the 4Runner's problems.
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4 comment(s)
KlausFischFan (community.author)
Hey, thanks for your help! It really sounds like it could be similar with my 4Runner. Do you happen to remember what all the fun ended up costing you? Have you noticed any other problems since the repair? Thanks in advance! Best regards!
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NickyKai
Hey, of course, no problem! The fun actually cost me €865 to repair the broken swirl flap. But since then the car has been running like clockwork again and no further problems have arisen. When I took the car to the mechanic, the intake manifold swirl flap defect was actually the main problem and it was fixed as a result. Stay tuned and give us an update on how your 4Runner is progressing! Best regards!
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KlausFischFan (community.author)
Hey, great, that's really helpful! I suppose it's worth it for me to do the same then. I guess 865€ is a small price to pay to get the car running smoothly again. I'm going to take it to the garage and get the swirl flap checked. If all goes well, I hope I don't have any further problems either. Thanks again for your support and I will keep you posted! Best regards!
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TOYOTA
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4RUNNER
NickyKai
Hi, I actually had a similar problem with my 2008 Toyota Land Cruiser (diesel). The symptoms were exactly the same - the jerking when accelerating, the bumpy engine running, even the black smoke from the exhaust. In the end, it was the swirl flap that was broken. The mechanic replaced it with a new one and that solved the problem. I have to say, it was a serious matter. The swirl flap has an important function in the combustion process and if it breaks, it can lead to all the problems you describe. I hope this helps you! Greetings!
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