diff --git a/emulator/obd2_emulator.py b/emulator/obd2_emulator.py
index c224fca..8010000 100755
--- a/emulator/obd2_emulator.py
+++ b/emulator/obd2_emulator.py
@@ -32,25 +32,40 @@ class VehicleState:
         self.lock = threading.Lock()
 
     def update_simulation(self):
-        """Simulates driving telemetry with smooth sinusoidal variation"""
+        """Simulates driving telemetry with clear transitions through color zones and holds at max scale"""
         t = time.time()
         with self.lock:
             if self.auto_simulate:
-                # RPM smoothly moves between 1000 and 3600
-                self.rpm = 2100.0 + 1200.0 * math.sin(t * 0.8) + 200.0 * math.cos(t * 1.7)
-                if self.rpm < 800:
-                    self.rpm = 800
-                # MAP pressure fluctuates with RPM
-                self.map_psi = 12.0 + 10.0 * ((self.rpm - 800.0) / 3000.0) + 1.5 * math.sin(t * 2.0)
+                # 24-second cycle:
+                #  0 -  8s: Ramp up 800 -> 6000 RPM (Verde -> Amarillo -> Rojo)
+                #  8 - 12s: Hold at MAX (6000 RPM, redline/escala máxima) for 4s
+                # 12 - 20s: Ramp down 6000 -> 800 RPM (Rojo -> Amarillo -> Verde)
+                # 20 - 24s: Hold at IDLE (800 RPM) for 4s
+                cycle_period = 24.0
+                phase = t % cycle_period
+
+                if phase < 8.0:
+                    p = phase / 8.0
+                    self.rpm = 800.0 + p * (6000.0 - 800.0)
+                elif phase < 12.0:
+                    self.rpm = 6000.0
+                elif phase < 20.0:
+                    p = (phase - 12.0) / 8.0
+                    self.rpm = 6000.0 - p * (6000.0 - 800.0)
+                else:
+                    self.rpm = 800.0
+
+                # MAP pressure correlates with RPM
+                self.map_psi = 10.0 + 16.0 * ((self.rpm - 800.0) / 5200.0)
                 # Engine load correlates with RPM
-                self.load = 20.0 + 45.0 * ((self.rpm - 800.0) / 3000.0)
-                # Vehicle speed correlates with RPM/gear
-                self.speed = 25.0 + 65.0 * ((self.rpm - 800.0) / 2600.0) + 5.0 * math.sin(t * 0.7)
+                self.load = 15.0 + 75.0 * ((self.rpm - 800.0) / 5200.0)
+                # Vehicle speed correlates with RPM (up to 175 km/h, turning RED past 130 km/h)
+                self.speed = 15.0 + 160.0 * ((self.rpm - 800.0) / 5200.0)
                 if self.speed < 0:
                     self.speed = 0.0
-                # Temperatures fluctuate slightly around operating values
-                self.coolant_temp = 92.0 + 3.0 * math.sin(t * 0.1)
-                self.oil_temp = 93.0 + 1.5 * math.sin(t * 0.12)
+                # Coolant temp rises slightly with engine load (88°C -> 102°C, showing warn RED past 100°C)
+                self.coolant_temp = 88.0 + 14.0 * ((self.rpm - 800.0) / 5200.0)
+                self.oil_temp = 90.0 + 12.0 * ((self.rpm - 800.0) / 5200.0)
                 self.trans_temp = 82.0 + 1.0 * math.cos(t * 0.09)
                 self.pcm_volt = 14.2 + 0.15 * math.sin(t * 0.5)