I have a truck like the title says it's making me nuts. I have changed the cam shaft and crank shaft position sensors the ecm only shows a p0340 code. I am starting to think it's got a bad ecm. Any guidance would be much appreciated.

 

Still whining about the camshaft sensor. Did you clear codes when you changed parts?

 

Yep multiple times though I don't think both sensors could be bad out the box I did a test last night hooked my key programmer to it. Kept saying it couldn't find the computer so I'm leaning towards bad computer or connection somewhere.

 

Ok know more now I've changed cam and crank shaft position sensors cleaned every ground I could find checked under the fuse box for broken wires and still have no spark and this p0340 code.

 

Are you getting 5 volts TO the cam sensor?

 

I'm breaking out the tester tomorrow spent the day cleaning grounds wouldn't spark be crank sensor and if I don't is there something I should check?

 

One would think..... But, the PCM isn't whining about that one.... No idea why not.

 

Incase someone needs to know it was the timing chain.