Over the past wee while my V8 has developed an odd problem where if it's been switched off for a while it is very hard to start and will eventually splutter into life missing like hell with a big puff of oily petrolly-smelling exhaust fumes. It's like it's severely flooded. Starting on petrol only makes no odds.
If I pull the fuel pump relay I get the usual takes-ages-but-starts-on-gas thing. I ran around with no fuel pump for a bit and while needing it to crank for ten seconds was a bit of a pain in the arse it worked okay. After I replaced the fuel pump it started okay on petrol but started this flooding crap.