2001 lumina won't start

do lights come on? does the engine at least crank/turn over when turning key? could just be security issue.

Yea lights work radio works it sometimes sounds like it's trying to crank but sometimes it just clicks one time

make sure battery cables are on all way and tight.

Yea I put a new battery on they are tight

with key to on postion do you see somekind of security light on?

No there's no security light but there is the volt light and the oil light and check engine light

check all you fuses for the ignition and starter. also switch starter relay with another relay that looks the same.see if that helps. before it stopped startin was it doing anything unusual.

The car was overheating and then it really overheated on me and I shut it off before it shut itself off from overheating and I put a can of head gasket sealer running for 15 to 20 minutes and I shut it off and now the car won't start I have checked spark plugs replaced them I checked the firing on them put gas in the gas tank I'll check the gas is coming out I don't know if it's supposed to have a certain amount of pressure shiting through the fuel pump but I changed the gas filter out and when I took the filter out it was really really dirty and I mean dirty