"Modular Cars Health": true

"Modular Cars spawn with full health": true,

Cars still spawning at half health or less.

Did you set "Enabled for Modular Cars" to true? If you only want this plugin to make cars spawn with full health you must set every other car related config to their default values.
 

  "Enabled for Modular Cars": true,
  "Modular Cars Engine Module max fuel consumption per second (default 0.25)": 0.25,
  "Modular Cars Engine Module idle fuel consumption per second (default 0.25)": 0.25,
  "Modular Cars fuel amount": 0,
  "Modular Cars lock fuel container": false,
  "Modular Cars engine components Tier (0, 1, 2 or 3)": 0,
  "Modular Cars lock engine container": false,
  "Modular Cars spawn with full health": true,

Current settings but not spawning in with full health: 

Quote

  "Enabled for Modular Cars": true,

  "Modular Cars Engine Module max fuel consumption per second (default 0.25)": 0.0,
  "Modular Cars Engine Module idle fuel consumption per second (default 0.25)": 0.0,
  "Modular Cars fuel amount": 55,
  "Modular Cars lock fuel container": true,
  "Modular Cars engine components Tier (0, 1, 2 or 3)": 3,
  "Modular Cars lock engine container": true,
  "Modular Cars spawn with full health": true,

Changed Status from Pending to Closed