V90 High Fuel Consumption Poor Start

I had a similar issue with my V90 a while back. Higher fuel consumption and sluggish starts sound familiar. Have you checked the accelerator pedal module? It's a known culprit for throttle-related problems. Might be worth a look before you dive deeper into the engine throttle itself.

Thanks for the tip! I haven't checked the accelerator pedal module yet. Where is that located, and is it something I can easily inspect myself, or is it better left to a professional? Also, is there a way to test it before replacing it?

The accelerator pedal module is usually located near the accelerator pedal. Honestly, without the right diagnostic tools, testing it yourself can be tricky. Given your symptoms, and the fact I had a similar problem, I would advise you to get it checked out at a workshop. My defective accelerator pedal module caused a throttle valve error.

Thanks again for the help! I took it to the workshop, and you were spot on - the accelerator pedal module was defective, causing the throttle valve issue. Repair cost me about 205€. Runs like new now!