300 is common for low fuel pressure.
Timing is controlled by the chain and the distributor. Did they check that? Did they check to see if it jumped time?
The rattle in the cat could be it is broken inside and clogging up the exhaust. If it is blocking off the exhaust, it will not let the engine breather and it will not start.
Monday, November 5th, 2018 AT 5:13 PM