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Engine Performance DTCS

ENGINE PERFORMANCE DTCS

OEM Code Description
12 RPM SIGNAL CIRCUIT
13 RPM SIGNAL CIRCUIT
14 IGNITION SIGNAL CIRCUIT
16 ECT CONTROL SIGNAL MALFUNCTION
21 MAIN O2 SENSOR CIRCUIT (SC300), CODE 21 (FRONT OXYGEN SENSOR), CODE 28 (REAR OXYGEN SENSOR)
22 ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT
24 INTAKE AIR TEMPERATURE SENSOR CIRCUIT
25 AIR/FUEL RATIO MALFUNCTION (LEAN)
26 AIR/FUEL RATIO MALFUNCTION (RICH)
27 SUB-OXYGEN SENSOR CIRCUIT (CALIF.)
28 MAIN O2 SENSOR CIRCUIT (SC300), CODE 21 (FRONT OXYGEN SENSOR), CODE 28 (REAR OXYGEN SENSOR)
31 LOW AIRFLOW METER VOLTAGE
35 BAROMETRIC PRESSURE SENSOR CIRCUIT
41 TPS SIGNAL
42 VEHICLE SPEED SENSOR (VSS) SIGNAL CIRCUIT
43 STARTER SIGNAL
47 SUB-TPS SIGNAL
51 SWITCH CONDITION SIGNAL
52 KNOCK SENSOR CIRCUIT
53 KNOCK SENSOR CIRCUIT
55 KNOCK SENSOR CIRCUIT
71 EGR SYSTEM MALFUNCTION
78 FUEL PUMP CONTROL CIRCUIT