Ive just fitted my new digital temp guage and works great, but ive disconected the old temp guage wire from the sensor and after running the engine for 5 min or so the "CHECK ENGINE" light apears. I did try and connect the old gauge up to the senor with the new guage but the new guage didnt like it very much. any idea how to by-pass it? tried grounding it but the light still comes on.

 

You've taken out the coolant temperature sensor for the ECM, not the coolant temperature sender for the gauge.

 

So i should connect this back, i thought it was part of the guage? if so ill pop it back on in the mornin a bit late to do it. Shall i try connecting the digital temp and the other wire again ???(i did notice when i connected the wires they were a bit lose)

 

Yank the sender from the driver side cylinder head. Put whatever one you removed back where it was (sounds like you yanked the CTS from the intake).

 

any pics or details where it is ive looked but have no idea where it is

 

Driver side cylinder head, just below the exhaust, between the 1 and 3 cylinders.