clara_bauer1
Rifter running rich
Summary of the thread
A 2022 Peugeot Rifter diesel is experiencing issues with running rich, leading to reduced engine power, a check engine light, rough running, increased fuel consumption, and jerking during acceleration. The suspected cause is a faulty injector. Suggestions include checking the air-fuel ratio, inspecting the intake manifold for leaks, and considering a defective lambda sensor. Ultimately, the problem was confirmed to be a defective injector, which was resolved at a workshop.
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4 comment(s)
clara_bauer1 (community.author)
Thanks! I hadn't considered the lambda sensor. Where was it located on your V70 and what were the exact symptoms?
christopherjung10
On my V70, the sensor was located before the catalytic converter. I observed increased fuel consumption and black smoke, a telltale sign of incomplete combustion. I would strongly recommend a visit to a workshop to get the car checked, because if the air-fuel ratio is not correct you can seriously damage your engine.
clara_bauer1 (community.author)
Thanks a lot for the advice! I took it to the workshop. It was indeed a defective injector. Cost me 515€ to get it sorted.
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PEUGEOT
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RIFTER
christopherjung10
I had similar symptoms on my old Volvo V70. Excessively rich mixture can be caused by faulty fuel injectors. Have you checked your air-fuel ratio or inspected the intake manifold for leaks? A defective lambda sensor can also cause a similar issue.