Throttle Position Sensor Circuit Malfunction

What This Means

The Throttle Position Sensor (TPS) circuit has a malfunction preventing normal operation. The TPS tells the computer how far open the throttle is, which is essential for proper fuel and ignition timing.

Common Symptoms

• Engine surging or hesitation
• Sudden idle speed changes
• Vehicle may enter limp mode
• Poor throttle response

Common Causes

• Worn or faulty TPS
• Damaged wiring or connector
• Throttle body mechanical issue
• Poor ground connection
• Corrosion on sensor contacts

Estimated Repair Cost