marc_vogel1

VelSatis Intake Hose Leak

My 2003 Renault VelSatis with a gasoline engine has high fuel consumption, the check engine light is on, and there's a hissing sound on acceleration. It has 246298 km on the odometer. I suspect an air intake leak, maybe turbocharger, intake manifold, or throttle body related. Any ideas on leak detection or causes?

4 comment(s)

I had a similar problem with my 2012 Opel Insignia. High fuel consumption and a hissing noise definitely point to an air leak. Has the car's performance changed noticeably?

Yes, I've noticed a slight decrease in performance, especially in acceleration. Could you explain the air leak you had with your Opel Insignia and any diagnostic insights? Any details on symptoms or troubleshooting steps would be great.

On my Insignia, it was a split in the intake hose after the MAF sensor. Small split, but caused issues. Given the symptoms and age of your VelSatis, inspect all intake hoses thoroughly. A workshop will probably find a leak quickly.

Following your recommendation, I took my VelSatis to a workshop. A compromised intake hose was the air leak source, as you suspected. The replacement cost, including labor, was about 100€ . Thanks for the help!

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