emanuelfeuer5
4Runner exhaust pressure issue
Summary of the thread
A 2001 Toyota 4Runner diesel is experiencing a warning light, reduced engine power, smoke during acceleration, and a strong exhaust smell, possibly due to low exhaust pressure. The suspected cause is a defective exhaust back pressure sensor. A similar issue was resolved by replacing the sensor, suggesting that taking the vehicle to a workshop for diagnosis and repair might be the best course of action.
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4 comment(s)
emanuelfeuer5 (community.author)
Thanks for the quick reply! I did check the connections; they seem solid. Fuel consumption might be slightly up, but it's hard to say for sure. When you say 'similar,' was it also a low-pressure issue? And did you end up replacing the sensor yourself, or did you take it to a shop?
davidheld8
Yeah, it turned out to be the exhaust back pressure sensor. I tried cleaning it first, but no luck. Honestly, I just took it to a workshop. Didn't want to mess with the diesel exhaust system myself. They diagnosed it pretty quickly.
emanuelfeuer5 (community.author)
Appreciate the confirmation. Sounds like I'm on the right track. I'll probably take it to a workshop then. Just got a quote for 245€, seems reasonable. Thanks for the help!
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TOYOTA
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4RUNNER
davidheld8
Hey, I had something similar happen with my 4Runner, although mine is a newer model. Same symptoms – warning light and all. Did you check the sensor connections? Sometimes it's just a loose wire. Also, have you noticed any change in fuel consumption?