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wernerkaiser1
Trafic exhaust temperature sensor fault
4 comment(s)
wernerkaiser1 (Author)
Unusual noises? Hmmm, now that you mention it, I do hear a slight hissing sound sometimes, mostly on cold starts. Could a small leak really throw off the sensor that much?
hannah_smith29
That hissing could very well be your culprit. A leak upstream of the sensor can definitely mess with the readings. Honestly, with those symptoms, it's best to get it checked by a workshop. Don't keep driving it like that!
wernerkaiser1 (Author)
Took your advice and brought it in. Turns out, you were spot on – small crack in the exhaust manifold. Replaced the sensor while they were at it. Total damage: 265€. Runs like a champ now! Thanks for pointing me in the right direction; really appreciate it!
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hannah_smith29
I drive a Trafic as well. Had similar issues, although mine started a bit earlier in its life. Are you noticing any unusual noises coming from under the vehicle, especially when it's cold?