` ` Matt and Paul are helping us with some remaining action , '' producers say . ` ` with them on set has made us all feel that Paul is with us , too , '' note to fans ' . `` Investigators determined the cause of the fatal solo-vehicle collision was unsafe speed for the roadway conditions , '' Los Angeles County Sheriff 's Commander Mike Parker said . Walker 's death last November put a halt to production . The film was to have been released this summer , but was delayed to April 2015 .
` ` Matt and Paul are helping us with some remaining action , '' producers say . ` ` with them on set has made us all feel that Paul is with us , too , '' note to fans ' . Walker 's death last November put a halt to production . The film was to have been released this summer , but was delayed to April 2015 .