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 Hyundai Accent LFACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes
- Introduction
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- No Malfunction Indicator Light (Mil)
- DTC P0102, P0103 - Mass Airflow (MAF) Sensor Circuit Input
- DTC P0112, P0113 - Intake Air Temperature (IAT) Input
- DTC P0116, P0117, P0118 - Engine Coolant Temperature (ECT) Sensor Circuit
- DTC P0121 - Throttle Position (TP) Sensor Circuit Range
- DTC P0122, P0123 - Throttle Position (TP) Sensor Circuit Input
- DTC P0130, P0131, P0132, P0137, P0138 - Front & Rear Ho2S Sensor Circuit
- DTC P0133 - Front Ho2S Circuit Slow Response
- DTC P0134, P0136 - Ho2S Circuit/ No Activity Detected
- DTC P0135, P0141 - Ho2S Heater Circuit Malfunction
- DTC P0201, P0202, P0203, P0204 - Injector Circuit Malfunction
- DTC P0300 - Random Misfire Detected
- DTC P0301, P0302, P0303, P0304 - Cylinder Misfire Detected
- DTC P0326 - Knock Sensor (KS) Circuit Range
- DTC P0335, P0336 - Crankshaft Position (CKP) Sensor Circuit Range, Malfunction
- DTC P0342, P0343 - Camshaft Position (CMP) Sensor Circuit Malfunction
- DTC P0421, P0422 - Catalyst Efficiency Below Threshold
- DTC P0441, P0442, P0446 - EVAP Purge Control System
- DTC P0444, P0445 - EVAP Purge Control Valve Circuit
- DTC P0447/P0448 - EVAP Vent Control Valve Circuit
- DTC P0451 - Fuel Tank Pressure Sensor Signal Not Valid
- DTC P0452/P0453 - Fuel Tank Pressure Sensor Malfunction
- DTC P0501 - Vehicle Speed Sensor (VSS) Range
- DTC P0506, P0507 - Idle Rpm Is Not As Specified
- DTC P0605 - Internal Control Module ROM Error
- DTC P1123, P1124, P1127, P1128 - Air/Fuel Ratio Control
- DTC P1510, P1513, P1552, P1553 - Idle Speed Control (ISC) Actuator Circuit
- DTC P1586 - Encoding Signal Circuit Out Of Range (A/T & M/T)
- DTC P1605, P1606 - Acceleration/Rough Road Sensor Circuit
- DTC P1611, P1614 - Mil Request Signal Circuit
- Summary
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.