Can anyone hlep

[DPR S2]

Start's and run's perfectly when it's clod.
As soon as it stat's to get warm it won't acselarate proper.
It feels like it's misfireing.

[add]

is it a 3b or aby?

[DPR S2]

It's a 3B

[Rusty]

Check the water temperature sensor on the back of the engine. There's a temperature vs. resistance graph on SJM auto technik or something like that...

[DPR S2]

Is that the one under the inlet manifold?