Engine Hard starting

Looking for help. I have a 1986 Gt. The issue is the car is really hard to start have to try and crank it 3 or 4 times before it starts. Run it shut it off and go to start it right away it will start no problem but let it sit for a minute or longer it struggles to start and you have to go back to trying to crank it 3 or 4 times. Fuel pressure gauge only reads 18 tried turning up the regulator but it didn’t change any thing and it runs rich at idle.

General karthief said:

Have you ever changed the fuel filter or pump? Does the fpr vacuum line smell like fuel?

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Yeah I changed the fuel filter didn’t do nothing and I bought the car with a 190lph fuel pump probably 6 years old not many miles on it and yeah the vacuum line was wet inside didn’t see if it smelt like fuel I’d assume busted diaphram