Hi, We took the thermostat out, now it won't turn over, is that why? nothing else was changed and it started and ran fine right before this.....thanks....

 

It won't crank, or it cranks but won't start? In the latter case, check the ground wires on the thermostat housing.

 

ecu ground wire missing.

 

what??

 

Check what he said. Ground wireS, on the t-stat housing. Google it if you dont know what it is.

 

There should be 3 or 4 small black wires that come together into a single lug connected to a bolt on the thermostat housing. Those wires ground the ECU system. If it is not connected, the car will crank but not start.

 

It won't evan crank now, but i will try to get that bolt on the thermostat housing........

 

If it doesn't crank, that's a different problem. Check that you didn't pull the wire off of the starter by accident. If the starter makes noise but doesn't turn, check that the engine is not seized.

 

its NOT rom having the thermostat out tho right??

 

No. Taking the thermostat out doesn't really help anything though.

I assume it has been overheating, which is why I suggest checking that the engine is not seized or hydro-locked by turning it by hand with a socket on the crank bolt.

 

It was the starter ground......i took it off, sanded it with sandpaper put it back on and it started right up......thanks fellas.

 

Starter doesn't have a ground wire, it grounds through the starter chassis

 

Umm, it has a screw on it that goes to a ground and thats what it was was a corroded terminal.......