2013 NISSAN ARMADA Fuelpropulsion System Problems

The instrument cluster starts giving wrong signals which causes the car to either shutdown or not start randomly. for now a tap on the dashboard would help it start sometimes. it is a great safety hazard as if it shuts down on a dangerous road or if it wont start in dangerous areas, which happened with me multiple times while my kids were on the car, it could cause disasters. My car stayed at the dealer for 3 weeks, they were able to reproduce the problem, but they could not resolve the issue. they contacted the engineers in Nissan and no luck. the best they were able to do was guess it was the ecm. that is after they claimed it was the fuel pump and talked me into changing it, although I had a new aftermarket pump installed a month prior, and charged me over $1200 but after a...