This series uses a tapic engine which is dependent on a capacitance feedback of your finger. An oily trackpad can mess up the sensor and over doing the cleaning fluid can creep under the trackpad messing it up as well.
Using a clean micro fiber cloth spay a small amount of countertop cleaner onto the cloth (never the system) and wipe the trackpad surface. See if that helps.
If not, that aims us to a bad trackpad. Luckily it's one of the easier ones to replace! Here's the guide MacBook Pro 13" Touch Bar 2018 Trackpad Replacement and here's the needed part MacBook Pro 13" (A1706, A1708, A1989, A2159) Trackpad
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Can you narrow down which model you have. Different series used different tech and parts! Go to About this Mac and tell us what is tells you size, year and model name
crwdns2934271:0crwdnd2934271:0 DanJ crwdne2934271:0
Well I will suggest you to checkout the following video: https://www.reddit.com/r/macbookpro/comm...
crwdns2934271:0crwdnd2934271:0 Jhon Bing crwdne2934271:0
MacBook Pro A1989 model
crwdns2934271:0crwdnd2934271:0 George Elei crwdne2934271:0