The needle doesnt fluctuate when the car is running it only fluctuates when it wont start as the video shows also when it does what the video shows there is no values to test as there is no output to anything maybe i should change the ect but I dont think thats the problem thanks for all the input.

The socket for the ecu is like a big scart socket all i was doing was making a different contact than the one for 20 years I have now cleaned the units individual spikes and it is fully inserted but it didnt start however i took it out and gave it a flick ( not hard ) put it back in and it started s...

Car started when i put the ecu in but i did not fully insert it. There is slight degradation on the contacts when fully inserted but not sure how to clean them or the female part any ideas would be good

I had this problem a while ago and took the ecu out and put it back in and it ran for 800 miles but now the problems back. If you look at the video on page 1 that is exactly what my car does when it wont start it cranks but nothing I dont even bother attempting start generally if i disconect the bat...

I didnt think it was as it was so corroded.I just took the ecu out and it looked clean so I put it back in and Yes the car started weird .Has this just reset the brain or has it worked slightly loose only time will tell if the fault comes back ?

Thanks guys I agree its electrical checked connections and they seem fine also feel its something to do with the temp as the video on the previous page is identical to what my car does when it doesnt start. https://www.youtube.com/watch?v=EMbH8kt2utg .I am reluctant to change the ect as it didnt hel...

Hi ive got the same problem when the temp gauge on start is erratic it wont start but when it does nothing it starts currently not starting checked wiring above Radiator and it seems fine also changed cam and crank sensors and fuel fuse its been fine for 3 weeks now the old problem has returned any ...