[s-cars] Higher RPM cut-out......

[jim@almgt.com]

Hey guys, I'm gradually making some progress in sorting out my engine stumbling/running issues...... Replacing a long overdue O2 sensor got rid of the stumbling, however it still seems to be down on power throughout the rev range, as well as once up to speed, it seems to "lean out" with a noticeable evening out in speed. If I let up on the accelerator then put it down again, it speeds up again for a bit, then happens again. Tops out around 85mph up the local mountain passes, about 105 otherwise. Code said MAF sensor, so I removed it and cleaned it to somewhat better results, but still not right. Haven't checked codes since, but suspecting the same.  Any thoughts?  Thanks!

Best regards,

Jim Fleischer
'95 ur s6 avant