1987 Pontiac Fiero "13 oxygen sensor circuit open" Questions

13- OXYGEN CIRCUIT. CODE 14- COOLANT SENSOR HIGH TEMP CODE 15- COOLANT SENSOR LOW TEMP. CODE 21 - THROTTLE POSITION SENSOR VOLTAGE HIGH.CODE 22 - THROTTLE POSITION SENSOR VOLTAGE LOW.CODE - 23 MIXTURE

Oxygen sensor or circuit, ECU 3 MAP sensor circuit Map sensor circuit 4 CKP sensor / engine speed (RPM) Crank angle sensor or circuit, ECU sensor 5 MAP sensor circuit MAP sensor or circuit, mechanical

...13 Open Oxygen Sensor Circuit 14 Coolant Temperature Sensor (High Temp Indicated) 15 Coolant Temperature Sensor (Low Temp Indicated) 21 Throttle Position Sensor (Signal Voltage High) 22 Throttle ...

...and here's what it's suggesting for a chevrolet from 1989: 13 Open Oxygen Sensor Circuit 33 Manifold Absolute Pressure Sensor Circuit (High Signal) 42 Electronic Spark Timing (EST) ...

...13 OXYGEN SENSOR CIRCUIT OPEN 14 COOLANT TEMPERATURE SENSOR CIRCUIT (HIGH TEMP) 15 COOLANT TEMPERATURE SENSOR CIRCUIT (LOW TEMP) 21 THROTTLE POSITION SENSOR (TPS) CIRCUIT (HIGH) 22 THROTTLE POSITION ...

...Oxygen sensor #2 3 MAP - manifold absolute pressure sensor 4 CKP - crank position sensor 5 MAP - manifold absolute pressure sensor 6 ECT - water temperature sensor 7 TPS - throttle position sensor 8 ...

...Oxygen sensor #2 3 MAP - manifold absolute pressure sensor 4 CKP - crank position sensor 5 MAP - manifold absolute pressure sensor 6 ECT - water temperature sensor 7 TPS - throttle position sensor 8 ...

...13 Open Oxygen Sensor Circuit 14 Coolant Temperature Sensor (High Temp Indicated) 15 Coolant Temperature Sensor (Low Temp Indicated) 21 Throttle Position Sensor (Signal Voltage High) 22 Throttle ...

...13 oxygen sensor circuit open 14 coolant sensor high resistance or shorted 15 coolant sensor circuit low or open 16 direct ignition system (DIS) fault in circuit 17 cam position sensor fault 18 crank ...

93 buick century codes 13 and 14 what are they? code 13 is oxygen sensor circuit open.code 14 coolant temperature sensor signal voltage low.