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Welcome to the forums!
First off, does the vehicle has a check engine light on?
If you don’t have a scan tool that can view data PID’s, you can test the ECT by using a DVOM. As the coolant temperature increases, the resistance of the sensor should decrease or increase dependent on sensor design.
I would also be doing a injector leak down test too.
If you remove the spark plugs, do they smell fouled?
You could try a clear flood start which is cranking the engine over with the accelerator pedal depressed.
Hope this helps.
Thanks for the reply
No check engine light on, ran on board diagnostics on car and no fault whatsoever.
Tested the resistance of coolant tempiture switch and seems to be fine increases and decrease according to tempiture.
Now not too sure about the injector test i manually took each injector out and cleaned them and tested them with a 12volt batery and spray seems fine although
im no expert!!!! And would’nt have the proper tools just applying hand preasure to the injectors for the spray.
The engine will start first turn but very poorly running. Just barley ticking over untill it gets its barings and runs normal.
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