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.
2000 Chevrolet Prizm Base, StandardFACTORY OEM SERVICE PROCEDURE
Engine Controls Self-Diagnostics - 1.8L
- Model Identification
- Introduction
- Self-Diagnostic System
- Description
- Freeze Frame Data
- Diagnostic Procedure
- Retrieving Diagnostic Trouble Codes
- On-Board Diagnostic (OBD) System Check
- Mil Inoperative
- Mil On Steady
- DLC Diagnosis Or No Scan Tool Data
- Diagnostic Trouble Code Definition
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes
- Pcm Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Scan Tool Data
- Summary
- Diagnostic Tests
- Notes
- DTC P0100: MAF Sensor Circuit
- DTC P0101: MAF Sensor Performance
- DTC P0110: IAT Sensor Circuit
- DTC P0115: ECT Sensor Circuit
- DTC P0116: ECT Sensor Circuit Performance
- DTC P0120: TP Sensor Circuit
- DTC P0121: TP Sensor System Performance
- DTC P0125: ECT Excessive Time To Enter Closed Loop
- DTC P0128: ECT Less Than Thermostat Regulating Temperature
- DTC P0130: Ho2S Circuit - Sensor 1
- DTC P0133: Ho2S Slow Response - Bank 1, Sensor 1
- DTC P0135: Ho2S Heater Performance - Sensor 1
- DTC P0136: Ho2S Circuit - Sensor 2
- DTC P0141: Ho2S Heater Performance - Sensor 2
- DTC P0171: Fuel Trim System - Lean
- DTC P0172: Fuel Trim System - Rich
- DTC P0300: Engine Misfire Detected
- DTC P0301: Cylinder No. 1 Misfire Detected
- DTC P0302: Cylinder No. 2 Misfire Detected
- DTC P0303: Cylinder No. 3 Misfire Detected
- DTC P0304: Cylinder No. 4 Misfire Detected
- DTC P0325: Knock Sensor (KS) Circuit
- DTC P0335: Crankshaft Position (CKP) Sensor Circuit
- DTC P0340: Camshaft Position (CMP) Sensor Circuit
- DTC P0420: Catalyst System Low Efficiency
- DTC P0440: Evaporative Emission (EVAP) System
- DTC P0441: EVAP System No Flow During Purge
- DTC P0446: EVAP Vent System Performance
- DTC P0450: Fuel Tank Pressure Sensor Circuit
- DTC P0451: Fuel Tank Pressure Sensor Performance
- DTC P0500: Vehicle Speed Sensor (VSS) Circuit
- DTC P0505: Idle Control System
- DTC P1300: Ignition Coil No. 1 Primary Feedback Circuit
- DTC P1305: Ignition Coil No. 2 Primary Feedback Circuit
- DTC P1310: Ignition Coil No. 3 Primary Feedback Circuit
- DTC P1315: Ignition Coil No. 4 Primary Feedback Circuit
- DTC P1335: Crankshaft Position (CKP) Sensor Circuit
- DTC P1346: Intake Camshaft Position (CMP) System Performance
- DTC P1349: Intake Camshaft Position (CMP) System
- DTC P1520: Stoplight Switch Circuit
- DTC P1600: Control Module Long Term Memory Reset
- DTC P1656: Intake Camshaft Position (CMP) Actuator Solenoid Control
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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