Hey Scotty! Just bought myself a 2011 Ford Crown Victoria Police Interceptor with 140000km and 582 idle hours on it. I can hear a ticking noise coming from the engine which gets louder when i accelerate. Other owners say that its normal and that it's just the fuel injectors doing their job. What do you think? Thanks!

listen to injectors with a stethescope or other listening device, if not that, it's lifters inside the engine. Either way rather normal if it runs OK

Okay good to know! If it's the lifters is it an expensive job to fix?