DanOtto92
Modus diesel rough running
Summary of the thread
A 2008 Renault Modus diesel is experiencing rough running, stalling at idle, and jerking during acceleration, with the check engine light on. The suspected cause is a faulty fuel pressure sensor. The issue was resolved by addressing a defective connection, leading to the replacement of the sensor.
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4 comment(s)
DanOtto92 (community.author)
No recent work. Where exactly is the fuel pressure sensor located on this thing? Is it easy to get to?
moritzmoeller63
It's usually on the fuel rail. Access depends on the engine layout, but it should be visible. Considering the symptoms and your suspicion, and if fiddling with the plug/cable doesn't solve it, a workshop visit could be wise to confirm.
DanOtto92 (community.author)
Yep, turned out to be a defective connection. New sensor and labor 95€. Thanks for pointing me in the right direction!
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RENAULT
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MODUS
moritzmoeller63
Sounds like fuel pressure sensor issues. Any recent work on the fuel system? Have you checked the sensor's cable and plug connection for obvious damage or looseness?