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.
1995 Acura 2.5TLFACTORY OEM SERVICE PROCEDURE
Engine Performance DTCS
ENGINE PERFORMANCE DTCS
| DTC | Description |
|---|---|
| P0101 | MAF SENSOR RANGE/PERFORMANCE |
| P0102 | MAF SENSOR LOW INPUT |
| P0103 | MAF SENSOR HIGH INPUT |
| P0112 | IAT SENSOR LOW INPUT |
| P0113 | IAT SENSOR HIGH INPUT |
| P0116 | ENGINE COOLANT TEMPERATURE (ECT) SENSOR |
| P0117 | ENGINE COOLANT TEMPERATURE SENSOR LOW |
| P0118 | ENGINE COOLANT TEMPERATURE SENSOR HIGH |
| P0122 | THROTTLE POSITION (TP) SENSOR CIRCUIT LOW |
| P0123 | THROTTLE POSITION (TP) SENSOR CIRCUIT HIGH |
| P0130 | HEATED OXYGEN SENSOR (HO2S) |
| P0133 | HEATED OXYGEN SENSOR (HO2S) |
| P0135 | PRIMARY HO2S HEATER MALFUNCTION |
| P0139 | SECONDARY HEATED OXYGEN SENSOR (HO2S) |
| P0141 | SECONDARY HO2S HEATER MALFUNCTION |
| P0171 | TOO LEAN OR TOO RICH |
| P0172 | TOO LEAN OR TOO RICH |
| P0300 | RANDOM MISFIRE |
| P0301 | MISFIRE IN ONE CYL |
| P0302 | MISFIRE IN ONE CYL |
| P0303 | MISFIRE IN ONE CYL |
| P0304 | MISFIRE IN ONE CYL |
| P0305 | MISFIRE IN ONE CYL |
| P0327 | FRONT KNOCK SENSOR LOW INPUT |
| P0328 | FRONT KNOCK SENSOR HIGH INPUT |
| P0332 | REAR KNOCK SENSOR LOW INPUT |
| P0333 | REAR KNOCK SENSOR HIGH INPUT |
| P0335 | CRANKSHAFT POSITION (CKP) SENSOR |
| P0336 | CRANKSHAFT POSITION (CKP) SENSOR |
| P0401 | EXHAUST GAS RECIRCULATION (EGR) SYSTEM |
| P0441 | INCORRECT PURGE FLOW |
| P0500 | VEHICLE SPEED SENSOR (VSS) |
| P0505 | IDLE CONTROL SYSTEM |
| P1107 | BAROMETRIC PRESSURE (BARO) SENSOR |
| P1108 | BAROMETRIC PRESSURE (BARO) SENSOR |
| P1297 | ELECTRICAL LOAD DETECTOR (ELD) |
| P1298 | ELECTRICAL LOAD DETECTOR (ELD) |
| P1336 | CKF SENSOR |
| P1337 | CKF SENSOR |
| P1359 | CKP/TDC/CYP SENSOR |
| P1361 | TOP DEAD CENTER (TDC) POSITION SENSOR |
| P1362 | TOP DEAD CENTER (TDC) POSITION SENSOR |
| P1381 | CYLINDER POSITION (CYP) SENSOR |
| P1382 | CYLINDER POSITION (CYP) SENSOR |
| P1459 | EVAPORATIVE EMISSION PURGE FLOW SW MALFUNCTION |
| P1491 | INSUFFICIENT EGR VALVE LIFT |
| P1498 | EGR VALVE LIFT SENSOR HIGH |
| P1508 | IDLE AIR CONTROL (IAC) VALVE |
| P1660 | A/T FI DATA LINE |
| P1681 | A/T FI SIGNAL "A" |
| P1682 | A/T FI SIGNAL "A" |
| P1686 | A/T FI SIGNAL "B" |
| P1687 | A/T FI SIGNAL "B" |
Factory Service Tools
Use the Manual With the Right Hardware
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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.