Could a collapsing hose or an air leak affect the car’s behavior even at 3/4 throttle? I should note that the car has full power at 3/4 throttle and only shows the issue at full throttle.
Also, wouldn’t a large air leak only reduce the car’s power rather than cause misfiring? These are just my ...

Hello everyone,

I’m new to the forum, although I’ve been reading it for quite some time. I’ll briefly introduce myself (I’m not sure if there is a dedicated introduction section, so please let me know if there is!).
Last December, I bought a Volvo 850 T5 Estate. It’s an Italian-spec, automatic ...