It could be the timing belt jumps (wrong timing spark) or the faulty pressure regulator (to much fuel ro to little)
the ignitor is bad
Check for spark and fuel to start, then go from there. It could be almost anything and is a process of elimination to find the cause.
Fuel, and spark. Check for these first.
Does it turn over? yes Does it have spark? yes Does it have fuel?yes
Yes, they do have those.
Check fuel pressure. It may be the fuel pump, located in the tank.
Does it turn over? Does it have spark? Does it have fuel?
There are multiple electrical and mechanical causes to a no start condition. No fuel pressurization and spark may indicate a fuse or electrical fault, as opposed to a starting system problem alone.
You need three things for the engine to run, compression, fuel and spark. You say you have fuel now check for spark.
It isprobably not getting fuel or not getting spark.
check if you have fuel and spark it needs both to work
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