need some help it wont rev up, sound like its not getting enough fuel but I have changed the map sensor, the injectors, the TPS, the air temp sensor, the coolant temp sensor, I have tried everything I can think of do you think it could be the ECU

 

fuel filter blockage perhaps

 

its not very old and I have good fuel pressure in the rail

 

co pot? I remember reading something about these on anotherforum, been looking for article but no joy

 

do you know if i can test it

 

Very unlikely to be the CO pot. You can test it by unplugging it altogether and see if it makes any difference.

What do you mean when you say it won't rev. Will it not go past a certain RPM, or is it really slow to pick up?

 

have u checked the fuel return pipe to see how much if any is returning to the pump?!

Sounds similar to my xr2i problem and that was down to the seals on the pump damper as 1 had split, tried loads of things till i realised it was that and never thought to check how much fuel was returning, which in my case was none due to poor pressure!

 

I will check the return. when you press the accelerator it dies. this doesn't have a pump damper