I recently was having some issues that my truck wouldn't start.I replaced the crank sensor,camshaft sensor and still nothing.it ended up being the temperature sensor.it starts now but won't stay running without my foot in the gas.I'm getting code 0342 which is camshaft sensor .I have checked the plug ,the wires still nothing.Could it be the ecm?

 

Remove the codes and let it relearn.

 

Did that sensor come with a paper spacer on it? Some of them do IIRC and you have to leave them on there when you install it. If not, you won't have the proper clearance.