Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1997 Honda Prelude Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Performance DTCS
ENGINE PERFORMANCE DTCS
| DTC | OEM Code | Description | ||||
|---|---|---|---|---|---|---|
| P0107 | 3 | MAP Sensor Circuit Low Voltage Input | ||||
| P0108 | 3 | MAP Sensor Circuit High Voltage Input | ||||
| P0111 | 10 | Intake Air Temp. (IAT) Sensor Circuit Range/Performance Problem | ||||
| P0112 | 10 | IAT Circuit Low Voltage Input | ||||
| P0113 | 10 | IAT Circuit High Voltage Input | ||||
| P0116 | 86 | Engine Coolant Temperature (ECT) Sensor Range/Performance Problem | ||||
| P0117 | 6 | ECT Circuit Low Voltage Input | ||||
| P0118 | 6 | ECT Circuit High Voltage Input | ||||
| P0122 | 7 | Throttle Position (TP) Circuit Low Voltage Input | ||||
| P0123 | 7 | TP Circuit High Voltage Input | ||||
| P0131 | 1 | Front Heated Oxygen Sensor-1 (HO2S-1) Low Voltage | ||||
| P0132 | 1 | Front HO2S-1 High Voltage | ||||
| P0133 | 61 | Front HO2S-1 Slow Response | ||||
| P0135 | 41 | Front HO2S-1 Heater Circuit Malfunction | ||||
| P0137 | 63 | Rear Heated Oxygen Sensor-2 (HO2S-2) Low Voltage | ||||
| P0138 | 63 | Rear HO2S-2 High Voltage | ||||
| P0139 | 63 | Rear HO2S-2 Slow Response | ||||
| P0141 | 65 | Rear HO2S-2 Heater Circuit Malfunction | ||||
| P0171 | 45 | System Too Lean | ||||
| P0172 | 45 | System Too Rich | ||||
| P0301 | 71 | Cylinder No. 1 Misfire Detected | ||||
| P0302 | 72 | Cylinder No. 2 Misfire Detected | ||||
| P0303 | 73 | Cylinder No. 3 Misfire Detected | ||||
| P0304 | 74 | Cylinder No. 4 Misfire Detected | ||||
| P0325 | 53 | Knock Sensor (KS) Circuit Malfunction | ||||
| P0335 | 4 | Crankshaft Position (CKP) Sensor No Signal Input | ||||
| P0336 | 4 | CKP Sensor Circuit Range/Performance Problem | ||||
| P0401 | 80 | EGR Insufficient Flow Detected | ||||
| P0420 | 67 | Catalyst System Efficiency Below Threshold | ||||
| P0441 | 92(1) | EVAP Control System Insufficient Purge Flow | ||||
| P0452 | 91(1) | Fuel Tank Pressure Sensor Low Voltage | ||||
| P0453 | 91(1) | Fuel Tank Pressure Sensor High Voltage | ||||
| P0500 | 17 | Vehicle Speed Sensor (VSS) Circuit Malfunction | ||||
| P0501 | 17 | VSS Circuit Range/Performance Problem | ||||
| P0505 | 14 | Idle Control System Malfunction | ||||
| P1106 | 13 | Barometric Pressure (BARO) Sensor Circuit Range/Performance Problem | ||||
| P1107 | 13 | BARO Sensor Circuit Low Voltage Input | ||||
| P1108 | 13 | BARO Sensor Circuit High Voltage Input | ||||
| P1121 | 7 | Throttle Position (TP) Lower Than Expected | ||||
| P1122 | 7 | Throttle Position (TP) Higher Than Expected | ||||
| P1128 | 5 | Manifold Absolute Pressure (MAP) Lower Than Expected | ||||
| P1129 | 5 | Manifold Absolute Pressure (MAP) Higher Than Expected | ||||
| P1259 | 22 | VTEC System Malfunction | ||||
| P1297 | 20 | Electrical Load Detector (ELD) Circuit Low Voltage Input | ||||
| P1298 | 20 | ELD Circuit High Voltage Input | ||||
| P1300 | 71-76(2) | Random Misfire Detected | ||||
| P1359 | 8 | CKP/TDC Sensor Connector Poor Connection | ||||
| P1361 | 8 | Top Dead Center (TDC) Sensor Intermittent Interruption | ||||
| P1362 | 8 | TDC Sensor No Signal | ||||
| P1381 | 9 | Cylinder Position (CYP) Sensor Intermittent Interruption | ||||
| P1382 | 9 | CYP Sensor No Signal | ||||
| P1456 | 90 | EVAP System Leak Detected (Fuel Tank Area) | ||||
| P1457 | 90 | EVAP System Leak Detected (Canister Area) | ||||
| P1459 | 92 | EVAP Purge Flow Switch Malfunction | ||||
| P1491 | 12 | EGR Valve Insufficient Lift Detected | ||||
| P1498 | 12 | EGR Valve Lift Sensor High Voltage | ||||
| P1508 | 14 | Idle Air Control (IAC) Valve Circuit Failure | ||||
| P1607 | - | PCM Internal Failure | ||||
| P1655 | 30/37 | SEAF/SEFA Signal Line Failure | ||||
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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