lenaschwarz9
Peugeot 607 Smoke and Warning Light
Summary of the thread
A 2007 Peugeot 607 owner reported a warning light and smoke during acceleration, suspecting the exhaust back pressure sensor as the cause. The symptoms included sluggish engine performance, which aligns with issues related to this sensor. After replacing the sensor, the vehicle's performance improved significantly, confirming the initial suspicion.
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4 comment(s)
lenaschwarz9 (community.author)
Yeah, the engine feels a bit sluggish, particularly when I'm trying to get up to speed. So you think it's likely the exhaust back pressure sensor, then? Did you notice a big difference after replacing it?
louis_loewe5
Sluggish engine performance definitely points towards that sensor. I'm not a mechanic, but the symptoms are so similar to what I experienced. I'd seriously consider getting it checked at a workshop. No point in guessing.
lenaschwarz9 (community.author)
Thanks for the insight. I appreciate you sharing your experience. I'll take it to the shop and get the sensor looked at. Turns out, it was indeed the exhaust back pressure sensor! Cost me 245€. Runs like new again.
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PEUGEOT
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607
louis_loewe5
That's interesting... I had something similar happen in my 607 (although mine's a bit older). Was the engine performance also affected? Because if it is, it really sounds like a pressure sensor issue. It's frustrating, I know!