2004 Nissan Murano SE Problem Starting

[S60R]

Hello everyone,
First time user, hope I'm putting this question in the right place.
Alright I have a 2004 Nissan Murano SE with 77000kms and I started noticing upon start up it cranks but doesn't start, a couple of times of that and then it starts. No check engine light, checked the battery and it's O.K.Sometimes I hit the unlock,lock buttons on my remote and it starts but I don't think it's that.
Anybody have an idea?
I hope I'll be able to get the answers is there somewhere specific I go to see them?

Thanx

[mega murano]

normally you turn the key and your mo will start up the first time after a few cranks of the strater
now it takes 3 or more tries with the key before it will start and ithe starter sounds like it's laboring (turning slowly)

if this is how the your mo is acting (thats what mine did last year)
it still might be the battery and or it's terminals if they're 3-4 years old or older, also have you dealer check the crank sensor