Hi,i have an 86 xf ute i've only had it about 2 months,for the first couple of weeks it ran without a problem.
then one morning i drove it to work(no problems)got in it to go home at lunch time drove out the gate got 100meters up the road and then it died(it was pissing rain all day on this particular day).it would turn over no worries and when the starter motor was enguaged you could rev it,but as soon as you released the key it would die(ended up towing it home).(when we were trying to start it heaps ive times we ended up with a great backfire that blew the muffler to bits
couldnt get it to run for a couple of days(tried heaps of different things)then it decided to start and has ran fine for a few weeks.then last wednesday it did the same again(again it was raining this day)today it started i took it for a run and it ran reasonably but backfired again while at high speed(90kmh).
so far i have changed ignition switch,put half a new exhaust on,checked fuel pump ,carby,new fuel filter.
the catalytic converter is still on the exaust ,could this be blocked and causing the problems or do you think its electrical??
any help suggestions would be appreciated.