You need to put your 95 on an obd1 scanner, that not only does codes but does real time sensor data. Scan for codes first, as not all codes light the cel. Then do a running sensor scan to see if anything is amiss. If you don't know what the sensor readings mean, pm me with your e-mail address and I'll send you the pdf file, "sensor readings and what they mean".
If you don't have an obd1 scanner, may I suggest the Actron CP9145. It's available on ebay and amazon for around $140. It will scan your 95 and most any obd2 car also. For anyone with a 93 or 94, that has 12 pin dlc, you will need CP9127 adapter to scan your cars.
When your checking things, like the maf, remember that wiring and connectors can cause problems also. I would check the pcm grounds, engine grounds, pcm connectors & pins. Also since some sensors are interconnected for ground, one a completely different sensor having a problem can affect another sensor.
I suggest looking in this section for the GM service manual thread. Then download the 94 manual. It shares about 98% of info with your 95. Also have a 2000 manual there that will serve your 2001.
Manual will have a whole volume dedicated to driveability, emissions, and electrical. It has a pcm connector symptom chart, that is very good for helping diagnose problems, complete wiring diagrams, troubleshooting charts, component location views, etc.
If a hand held scanner is not your thing, then turn your laptop into a powerful scan tool. You will need a cable to connect car's dlc to usb port of laptop. $60 + shipping at
www.aldlcable.com
Then you will need a scan program. DataMaster is excellent. It not only scans but also logs data to a file that can be viewed in real time with the program. It comes as a free trial with 20 free scans and unlimited data playback. Get at
www.tunercat.com Another decent scan program is Freescan. Again pm me with e-mail address and I'll send it to you. It's free for all times. Doesn't play back data logs like DataMaster, however.