Originally Posted by DerrickRL

My car cuts out at 2000/2500 rpm.
Car would start when cold, but not when hot. Got fault code for Crank sensor. Replaced sensor, car started but same problem. Replaced sensor again. Replaced battery. Car started but when revs hit 2000/2500 rpm car just dies. Restarts but won't rev.
I'm now thinking faulty O2 (Lambda sensor), clogged/collapsed Cat', or possibly blocked fuel filter. But where do I stop chasing the fault !!!!
I even thought it could be power relay module or ECU, so bought them but now I find out that without specialist software you can't reprogram them, and you need do do SKERM & Keys at the same time, and I cannot find anybody local in UK to help.

Any assistance really appreciated.