Clean out the idle air control valve, Egr valve, and test the throttle position sensor and the Air Flow Meter.
Diagnostic Trouble Codes - 1995
Toyota
12 G, NE Signal Circuit No. 1.
13 G, NE Signal Circuit No. 2.
14 Ignition Signal.
16 ECT Control Signal.
21 Oxygen Sensor (OS) Signal.
22 Water Temperature Sensor (THW) Signal.
24 Intake Air Temperature Sensor (THA) Signal.
25 Air/Fuel ratio lean.
26 Air/Fuel ratio rich.
27 Sub-oxygen sensor signal.
31 Manifold Absolute Pressure Sensor Signal.
41 Throttle Position Sensor (TPS).
42 Vehicle Speed Sensor (VSS) Signal.
43 Starter Circuit Signal.
51 Switch Condition Signal.
52 Knock Control Signal.
71 EGR system malfunction.
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Wednesday, January 26th, 2011 AT 3:10 AM
