91-95 MR2 2.2L Engine Code: 5S-FE |
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92-95 Paseo 1.5L Engine Code: 5E-FE |
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Trouble code | Fault location | Probable cause |
12 | Engine speed (RPM) sensor -circuit | Wiring, RPM sensor, ECM |
13 | Engine speed (RPM) sensor -above 1000 rpm | Wiring, RPM sensor, ECM |
14 | Ignition reference signal -no signal | Wiring, ignition module, ECM |
16 | Transmission control signal -malfunction | ECM |
21 | Heated oxygen sensor (H02S)-front-circuit | Wiring, H02S, ECM |
22 | Engine coolant temperature (ECT) sensor circuit | Wiring, ECT sensor, ECM |
24 | lntake air temperature (lAT) sensor -circuit | Wiring, IAT sensor, ECM |
25 | Mixture control -continuously lean | Wiring, injector, H02S, ECT/MAP sensor, intake fuel/ignition/EGR system, ECM |
26 | Mixture control -continuously rich | Wiring, injector, fuel system, H02S, ECT/MAP sensor, ECM |
27 | Heated oxygen sensor (H02S)-rear -circuit | Wiring, H02S, ECM |
31 | Manifold absolute pressure (MAP) sensor -circuit | Wiring, MAP sensor, ECM |
33 | ldle air control (lAC) valve-circuit | Wiring, IAC valve, ECM |
41 | Throttle position (TP) sensor -circuit | Wiring, TP sensor, ECM |
42 | Vehicle speed sensor (VSS) circuit | Wiring, VSS, ECM |
43 | Starter signal -circuit | Wiring, ignition switch, engine control retay, ECM |
51 | Switch signal A/C switch ON during diagnosis | Wiring, A/C switch, A/C amplifier, ECM |
51 | Switch signal -closed throttle position (CTP) switch OFF during diagnosis | Wiring, CTP switch, ECM |
51 | Switch signal -park/neutral position (PNP) switch not in P or N during diagnosis | Wiring, PNP switch, ECM |
52 | Knock sensor (KS) -circuit | Wiring, KS, ECM |
71 | Exhaust gas recirculation (EGR) system malfunction | Hose leak/blockage, wiring, EGRT sensor, EGR sotenoid, ECM |
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