Corolla wont start

hi i have a toyota corolla ,when i turn ignition the engine catches and then stops when i let go of key after about 5 tries it starts but have to keep engine running before i can drive without stalling,i t doesnt happen all the time but it does happen if i go on short journeys can you help please

A little tune up with new spark plugs and air filter may be all it needs. Try it, and let us know.

ok thanks will let you know