I think I found the 4k rpm problem. Turns out the full throttle switch was
cutting in around 2/3 throttle. I re adjust it to almost full, and now it
seems to rev to the clouds :-) ---JCG
Subject: Re: New 83 TQC owner!!!
Date: Friday, March 10, 1995 12:49PM
As far as the 4000 cut out I had the same problem. Check the O2 Temp Sensor
on the top front of the engine.