1994 Chevrolet K1500 "91 72 error" Questions

...72 to 85 and 90, 91 97, 99 are related to transmission problems. Good luck and hope this helps If your have a 72 coade then it's a VSS signal error. That's your speed sensor at the left rear side of ...

72 insufficient manifold absolute pressure (MAP) change during dynamic response test 73 insufficient throttle positioner (TPS) change during dynamic response test 74 brake on/off (BOO) circuit open 75

...72 DME Control Unit • 74 AirCon Compressor Relay • 75 Lambda Sensor Voltage -Bank 1 • 76 Lambda Sensor Voltage -Bank 2 • 77 Lambda Sensor Voltage -Bank 1 Post Cat • 78 Lambda Sensor Voltage -Bank 2 ...

...72 TWC Function right hand bank. 73 TWC Function right hand bank. 76 Fuel Injection System Function right hand bank. 77 Rear Heated Oxygen Sensor Circuit. 82 Crankshaft Position Sensor. 84 A/T ...