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berndlehmann80

Scenic Injection Fault

Having trouble with my 2022 Renault Scenic gasoline. It's done 115631 km and the injection system seems faulty. I've noticed higher fuel consumption, reduced engine power, and it sometimes stalls at idle. Plus, there's smoke when I accelerate. I've checked for leaks but couldn't find anything. Any ideas?

Summary of the thread

The 2022 Renault Scenic experienced issues with the injection system, leading to higher fuel consumption, reduced engine power, stalling at idle, and smoke during acceleration. The problem was suspected to be related to the cable or plug connections to the fuel injectors. Upon inspection at a workshop, a defective cable connection was identified and repaired, resolving the issues.

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4 comment(s)

walterhunter1

I have a Scenic too and once had similar problems. The higher fuel consumption and reduced power sound familiar. Have you checked the cable or plug connections to the injection components? A defective connection there can cause issues.

berndlehmann80 (community.author)

Thanks for the tip! When you say 'injection components' are you talking about the fuel injectors themselves? And how exactly would I check the cable or plug connection? I'm not mechanically inclined.

walterhunter1

Yes, I meant the fuel injectors and other parts of the injection system. Visually inspect the cables and plugs going to them. Look for any signs of damage, corrosion, or if they're loose. If you aren't confident doing this yourself, I recommend taking it to a workshop to get it checked out properly. It could be something simple, but best to be safe.

berndlehmann80 (community.author)

Thanks, I appreciate the advice. I checked what I could but didn't find anything obvious, so I took it to a workshop. Turns out it was a defective cable connection, and they fixed it for 95€. Runs much better now!

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RENAULT

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SCENIC