moritzwinkler85

Modus Stalling Rough Idle

I'm having some trouble with my 2011 Renault Modus, gasoline engine. It's got 215949 km on the clock. Recently, it's become nearly impossible to start, and when it does run, it often stalls at idle and runs really rough. The check engine light is also on, and I've noticed a significant increase in fuel consumption. I scanned the error memory and it points towards a fuel pump issue. I've checked the pump itself and all the fuses related to the fuel system. Everything seems ok, but I suspect a defective cable or plug connection to the pump. Anyone experienced anything similar?

A 2011 Renault Modus with 215,949 km is experiencing starting difficulties, stalling at idle, rough running, and increased fuel consumption, with the check engine light on. Error codes suggest a fuel pump issue, but the pump and related fuses appear fine, leading to suspicion of a defective cable or plug connection. After consulting a workshop, the problem was identified as a defective connector, which was replaced, resolving the issue.

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4 comment(s)

That sounds eerily familiar! I had almost the exact same symptoms with my old Opel Astra a few years back. Engine wouldn't start half the time, stalling, rough running... Nightmare. Did you also happen to notice any weird noises coming from the fuel tank area before all this started? I didn't connect it at the time, but looking back, there was definitely a faint whining sound.

Interesting. I haven't specifically noticed any unusual noises from the fuel tank area, but I'll definitely pay closer attention now. When you had these symptoms with your Astra, did the error codes also point towards the fuel pump? And what ultimately ended up being the problem? Trying to get an idea if I'm on the right track before I start tearing everything apart.

Yep, the codes all screamed fuel pump failure on my Astra too. I messed around checking fuses and relays like you, but in the end, I just took it to my local workshop. They confirmed the pump was kaput. Honestly, unless you're really confident with car electrics, I would recommend getting it checked out professionally. Could save you a lot of time and frustration.

Thanks for sharing your experience! I appreciate the advice. I took your suggestion and brought it to the workshop. Turns out, as suspected, a defective connector was the culprit. New connector fitted, total cost 95€. Runs like new again!

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RENAULT

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MODUS