FixVault
Home
›
GMC
›
1983
›
Jimmy 5.7 L
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Feedback Carburetor Tests W/Codes
›
Code 21 - TPS Circuit
Code 21 - TPS Circuit
Fig 1: Flow Chart, Code 21 - Throttle Position Switch (TPS) Circuit
Fig 2: Flow Chart, Code 21 - Throttle Position Switch (TPS) Circuit