Van won't start with key

Sounds like something with the security system. Possibly caused when the remote start system was installed?

Do you happen to know what I need to do to fix it.

I am not familiar with remote start systems. Also your mechanic is going to need alot more info than what you've provided: how long have you had it, when was the remote start installed, etc.

I have had the van for 2 years so I don't know when the remote start was put in. When I start it with remote start it only stays running for abt 20 min or put the break on. But yet I can't start it at all with the key or put the key in after it has started with remote and keep it running.

It doesn't ha e a security system on it.

My son looked and it don't have it.

That's what is so weird. Just all if a sudden this has happen. No signs that it was going to do it.