I changed out the CPS in my car last year with one from advanced auto. Has worked fine until recently. Check engine light came on and car would not start. It would crank over and turn...but not start. Pulled it out and went to same advanced auto....and they warrantied the part. Put it in...car started. Short test drive.....seemed all right. Got up to 4000 rpm....and car dies every time. Tested this theory out several times....same thing. Car dies....but restarts. Could this be from the aftermarket CPS? Pulled it out....filed it lightly to make sure sensor was clean and working......same result on test drive. Dies at 4000 rpm. Gonna order a Bosch CPM and see if that fixes the problem. Again....even though it is a new CPM....could this be the problem...or the clip that connects to it?