Sweet, thank you heaps, that's a little clearer, will check it out this afternoon

Hi guys, This has been an interesting read. My S70 is doing the same, pulsates when not loaded. 50-60ks 80-100ks park w/ revs held 3000+ cruise control doesn't need to be on for issue to reveal itself Replaced coils, plugs & cleaned MAF sensor and throttle throat. Only difference is, (other post...