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.
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HOMESERVICE MANUALSACURA20043.5RLREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXENGINE PERFORMANCE DTCS
2004 Acura 3.5RL
Engine Performance DTCS
2004 Acura 3.5RLSECTION Engine Performance DTCS
ENGINE PERFORMANCE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC (MIL Indication ) | Description |
|---|---|
| P0107 (3) | Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage |
| P0108 (3) | Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage |
| P0112 (10) | Intake Air Temperature (IAT) Sensor Circuit Low Voltage |
| P0113 (10) | Intake Air Temperature (IAT) Sensor Circuit High Voltage |
| P0116 (86) | Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance Problem |
| P0116 (86) | Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance Problem |
| P0117 (6) | Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage |
| P0118 (6) | Engine Coolant Temperature (ECT) Sensor Circuit High Voltage |
| P0122 (7) | Throttle Position (TP) Sensor Circuit Low Voltage |
| P0123 (7) | Throttle Position (TP) Sensor Circuit High Voltage |
| P0125 (86) | Engine Coolant Temperature (ECT) Sensor Slow Response |
| P0131 (2) | Right Primary Heated Oxygen Sensor (Right Primary HO2S) Circuit Low Voltage (Bank 1 - Sensor 1) |
| P0132 (2) | Right Primary Heated Oxygen Sensor (Right Primary HO2S) Circuit High Voltage (Bank 1 - Sensor 1) |
| P0133 (62) | Right Primary Heated Oxygen Sensor (Right Primary HO2S) Slow Response (Bank 1 - Sensor 1) |
| P0133 (62) | Right Primary Heated Oxygen Sensor (Right Primary HO2S) Slow Response (Bank 1 - Sensor 1) |
| P0134 (2) | Right Primary Heated Oxygen Sensor (Right Primary HO2S) Heater System Malfunction |
| P0135 (42) | Right Primary Heated Oxygen Sensor (Right Primary HO2S) Heater Circuit Malfunction (Bank 1 - Sensor 1) |
| P0137 (63) | Secondary Heated Oxygen Sensor (Secondary HO2S) Circuit Low Voltage (Sensor 2) |
| P0138 (63) | Secondary Heated Oxygen Sensor (Secondary HO2S) Circuit High Voltage (Sensor 2) |
| P0139 (63) | Secondary Heated Oxygen Sensor (Secondary HO2S) Slow Response (Sensor 2) |
| P0141 (65) | Secondary Heated Oxygen Sensor (Secondary HO2S) Heater Circuit Malfunction (Sensor 2) |
| P0151 (1) | Left Primary Heated Oxygen Sensor (Left Primary HO2S) Circuit Low Voltage (Bank 2 - Sensor 1) |
| P0152 (1) | Left Primary Heated Oxygen Sensor (Left Primary HO2S) Circuit High Voltage (Bank 2 - Sensor 1) |
| P0153 (61) | Left Primary Heated Oxygen Sensor (Left Primary HO2S) Slow Response (Bank 2 - Sensor 1) |
| P0153 (61) | Left Primary Heated Oxygen Sensor (Left Primary HO2S) Slow Response (Bank 2 - Sensor 1) |
| P0154 (1) | Left Primary Heated Oxygen Sensor (Left Primary HO2S) Heater System Malfunction |
| P0155 (41) | Left Primary Heated Oxygen Sensor (Left Primary HO2S) Heater Circuit Malfunction (Bank 2 - Sensor 1) |
| P0171 (46) | Fuel System Too Lean (Right Bank - Bank 1) |
| P0171 (46) | Fuel System Too Lean (Right Bank - Bank 1) |
| P0172 (46) | Fuel System Too Rich (Right Bank - Bank 1) |
| P0172 (46) | Fuel System Too Rich (Right Bank - Bank 1) |
| P0174 (45) | Fuel System Too Lean (Left Bank - Bank 2) |
| P0174 (45) | Fuel System Too Lean (Left Bank - Bank 2) |
| P0175 (45) | Fuel System Too Rich (Left Bank - Bank 2) |
| P0175 (45) | Fuel System Too Rich (Left Bank - Bank 2) |
| P0300 (71-76) | Random Misfire & Any Combination Of: DTC P1201/1301: No. 1 Cylinder Misfire; DTC P1201/1302: No. 2 Cylinder Misfire; DTC P1203/1303: No. 3 Cylinder Misfire; DTC P1204/1304: No. 4 Cylinder Misfire; DTC P1205/1305: No. 5 Cylinder Misfire; DTC P1206/1306: No. 6 Cylinder Misfire |
| P0300 (71-76) | Random Misfire & Any Combination Of: DTC P1201/1301: No. 1 Cylinder Misfire; DTC P1201/1302: No. 2 Cylinder Misfire; DTC P1203/1303: No. 3 Cylinder Misfire; DTC P1204/1304: No. 4 Cylinder Misfire; DTC P1205/1305: No. 5 Cylinder Misfire; DTC P1206/1306: No. 6 Cylinder Misfire |
| P0325 (53) | Right Knock Sensor (Bank 1) Circuit Malfunction |
| P0330 (23) | Left Knock Sensor (Bank 2) Circuit Malfunction |
| P0335 (4) | Crankshaft Position (CKP) 1 Sensor Circuit No Signal |
| P0336 (4) | Crankshaft Position (CKP) 1 Sensor Intermittent Interruption |
| P0345 (4) | Crankshaft Position (CKP) 1 Sensor Circuit No Signal |
| P0349 (4) | Crankshaft Position (CKP) 1 Sensor Intermittent Interruption |
| P0390 (9) | Camshaft Position (CMP)/Cylinder Position (CYP) 1 Sensor Circuit No Signal |
| P0394 (9) | Camshaft Position (CMP)/Cylinder Position (CYP) 1 Sensor Intermittent Interruption |
| P0401 (80) | Exhaust Gas Recirculation (EGR) Insufficient Flow |
| P0404 (12) | Exhaust Gas Recirculation (EGR) Valve Insufficient Lift |
| P0406 (12) | EGR Valve Lift Sensor High Voltage |
| P0420 (67) | Catalyst System Efficiency Below Threshold |
| P0451 (91) | Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance |
| P0452 (91) | Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage |
| P0453 (91) | Fuel Tank Pressure (FTP) Sensor Circuit High Voltage |
| P0497 (90) | Evaporative Emission (EVAP) System Low Purge Flow |
| P0505 (14) | Idle Control System Malfunction |
| P0506 (14) | Idle Control System RPM Lower Than Expected |
| P0507 (14) | Idle Control System RPM Higher Than Expected |
| P0511 (14) | Idle Air Control (IAC) Valve Circuit Failure |
| P0560 (34) | PCM Back-Up Circuit Low Voltage |
| P0607 (-) | Powertrain Control Module (PCM) Internal Circuit Failure |
| P1106 (13) | Barometric Pressure (BARO) Sensor Circuit Range/Performance Problem |
| P1107 (13) | Barometric Pressure (BARO) Sensor Circuit Low Voltage |
| P1108 (13) | Barometric Pressure (BARO) Sensor Circuit High Voltage |
| P1121 (7) | Throttle Position (TP) Sensor Signal Lower Than Expected |
| P1122 (7) | Throttle Position (TP) Sensor Signal Higher Than Expected |
| P1128 (5) | Manifold Absolute Pressure (MAP) Sensor Signal Lower Than Expected |
| P1129 (5) | Manifold Absolute Pressure (MAP) Sensor Signal Higher Than Expected |
| P1201/P1301 (71) | No. 1 Cylinder Misfire Detected (Fuel Related) |
| P1201/P1301 (71) | No. 1 Cylinder Misfire Detected (Fuel Related) |
| P1202/P1302 (72) | No. 2 Cylinder Misfire Detected (Fuel Related) |
| P1202/P1302 (71) | No. 2 Cylinder Misfire Detected (Fuel Related) |
| P1203/P1303 (73) | No. 3 Cylinder Misfire Detected (Fuel Related) |
| P1203/P1303 (71) | No. 3 Cylinder Misfire Detected (Fuel Related) |
| P1204/P1304 (74) | No. 4 Cylinder Misfire Detected (Fuel Related) |
| P1204/P1304 (71) | No. 4 Cylinder Misfire Detected (Fuel Related) |
| P1205/P1305 (75) | No. 5 Cylinder Misfire Detected (Fuel Related) |
| P1205/P1305 (71) | No. 5 Cylinder Misfire Detected (Fuel Related) |
| P1206/P1306 (76) | No. 6 Cylinder Misfire Detected (Fuel Related) |
| P1206/P1306 (71) | No. 6 Cylinder Misfire Detected (Fuel Related) |
| P1316 (79) | Spark Plug Voltage Detection Circuit Malfunction (Left Bank/Bank 2) |
| P1317 (79) | Spark Plug Voltage Detection Circuit Malfunction (Right Bank/Bank 1) |
| P1318 (79) | Spark Plug Voltage Detection Module Reset Circuit Malfunction (Left Bank/Bank 2) |
| P1319 (79) | Spark Plug Voltage Detection Module Reset Circuit Malfunction (Right Bank/Bank 1) |
| P1336 (54) | Crankshaft Position (CKP) 2 Sensor Circuit Intermittent Interruption |
| P1336 (54) | Crankshaft Position (CKP) 2 Sensor Circuit Intermittent Interruption |
| P1337 (54) | Crankshaft Position (CKP) 2 Sensor Circuit No Signal |
| P1337 (54) | Crankshaft Position (CKP) 2 Sensor Circuit No Signal |
| P1381 (9) | Cylinder Position (CYP) 1 Sensor Intermittent Interruption |
| P1382 (9) | Cylinder Position (CYP) 1 Sensor Circuit No Signal |
| P1386 (59) | Camshaft Position (CMP)/Cylinder Position (CYP) 2 Sensor Intermittent Interruption |
| P1386 (59) | Camshaft Position (CMP)/Cylinder Position (CYP) 2 Sensor Intermittent Interruption |
| P1387 (59) | Camshaft Position (CMP)/Cylinder Position (CYP) 2 Sensor Circuit No Signal |
| P1387 (59) | Camshaft Position (CMP)/Cylinder Position (CYP) 2 Sensor Circuit No Signal |
| P1456 (90) | Evaporative Emission (EVAP) Control System Leakage (Fuel Tank System) |
| P1456 (90) | Evaporative Emission (EVAP) Control System Leakage (Fuel Tank System) |
| P1457 (90) | Evaporative Emission (EVAP) Control System Leakage (EVAP Canister Area) |
| P1457 (90) | Evaporative Emission (EVAP) Control System Leakage (EVAP Canister Area) |
| P1486 (87) | Cooling System Malfunction |
| P1486 (87) | Cooling System Malfunction |
| P1491 (12) | Exhaust Gas Recirculation (EGR) Valve Insufficient Lift |
| P1498 (12) | EGR Valve Lift Sensor High Voltage |
| P1508 (14) | Idle Air Control (IAC) Valve Circuit Failure |
| P1607 (-) | Powertrain Control Module (PCM) Internal Circuit Failure |
| P2195 (2) | Right Primary Heated Oxygen Sensor (Right Primary HO2S) Circuit Low Voltage (Bank 1 - Sensor 1) |
| P2197 (1) | Left Primary Heated Oxygen Sensor (Left Primary HO2S) Circuit Low Voltage (Bank 2 - Sensor 1) |
| P2227 (13) | Barometric Pressure (BARO) Sensor Circuit Range/Performance Problem |
| P2228 (13) | Barometric Pressure (BARO) Sensor Circuit Low Voltage |
| P2229 (13) | Barometric Pressure (BARO) Sensor Circuit High Voltage |
| P2297 (2) | Right Primary Heated Oxygen Sensor (Right Primary HO2S) Circuit High Voltage (Bank 1 - Sensor 1) |
| P2298 (1) | Left Primary Heated Oxygen Sensor (Left Primary HO2S) Circuit High Voltage (Bank 2 - Sensor 1) |
RENDER: 1.0x
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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.