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.
2003 Saturn L200 AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Performance - 2.2L DTCS
ENGINE PERFORMANCE - 2.2L DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC P0105 | MAP SENSOR CIRCUIT RANGE/PERFORMANCE |
| DTC P0107 | MAP SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0108 | MAP SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0112 | IAT SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0113 | IAT SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0117 | ECT SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0118 | ECT SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0122 | TP SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0123 | TP SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0125 | ECT EXCESSIVE TIME TO ENTER CLOSED LOOP |
| DTC P0128 | COOLANT THERMOSTAT (COOLANT TEMP. BELOW THERMOSTAT REGULATING TEMPERATURE) |
| DTC P0130 | HO2S CIRCUIT - BANK 1; SENSOR 1 |
| DTC P0131 | HO2S CIRCUIT - LOW VOLTAGE (BANK 1; SENSOR 1) |
| DTC P0132 | HO2S CIRCUIT - HIGH VOLTAGE (BANK 1; SENSOR 1) |
| DTC P0133 | HO2S SLOW RESPONSE - BANK 1; SENSOR 1 |
| DTC P0134 | HO2S CIRCUIT - INSUFFICIENT ACTIVITY (BANK 1; SENSOR 1) |
| DTC P0135 OR P0141 | HO2S HEATER CIRCUIT - BANK 1; SENSOR 1 OR 2 |
| DTC P0137 | HO2S CIRCUIT - LOW VOLTAGE (BANK 1; SENSOR 2) |
| DTC P0138 | HO2S CIRCUIT - HIGH VOLTAGE (BANK 1; SENSOR 2) |
| DTC P0140 | HO2S CIRCUIT - INSUFFICIENT ACTIVITY (BANK 1; SENSOR 2) |
| DTC P0171 | FUEL TRIM SYSTEM LEAN - BANK 1 |
| DTC P0172 | FUEL TRIM SYSTEM RICH - BANK 1 |
| DTC P0201, P0202, P0203, P0204 | P0204: INJECTOR CONTROL CIRCUIT |
| DTC P0300 | ENGINE MISFIRE DETECTED |
| DTC P0301, P0302, P0303, P0304 | CYLINDERS NO. 1-4 MISFIRE DETECTED |
| DTC P0326 | KNOCK SENSOR PERFORMANCE |
| DTC P0327 | KNOCK SENSOR CIRCUIT |
| DTC P0336 | CRANKSHAFT POSITION SENSOR CIRCUIT |
| DTC P0340 | CAMSHAFT POSITION SENSOR CIRCUIT |
| DTC P0341 | CAMSHAFT POSITION SENSOR "A" - CIRCUIT PERFORMANCE (BANK 1) |
| DTC P0410 | SECONDARY AIR INJECTION SYSTEM |
| DTC P0420 | CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 1) |
| DTC P0440 | EVAPORATIVE EMISSION SYSTEM |
| DTC P0442 | EVAP SYSTEM - SMALL LEAK DETECTED |
| DTC P0446 | EVAP VENT SOLENOID VALVE CONTROL SYSTEM |
| DTC P0452 | EVAP FUEL TANK PRESSURE SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0453 | EVAP FUEL TANK PRESSURE SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0506 | IDLE SPEED LOW |
| DTC P0507 | IDLE SPEED HIGH |
| DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683 OR P2610 | PCM MEMORY |
| DTC P1133 | HO2S INSUFFICIENT SWITCHING - BANK 1; SENSOR 1 |
| DTC P1134 | HO2S TRANSITION TIME RATIO - BANK 1; SENSOR 1 |
| DTC P1137 | HO2S LEAN OR LOW VOLTAGE - BANK 1; SENSOR 2 |
| DTC P1138 | HO2S RICH OR HIGH VOLTAGE - BANK 1; SENSOR 2 |
| DTC P1171 | FUEL SYSTEM LEAN DURING ACCELERATION |
| DTC P1336 | CRANKSHAFT POSITION SYSTEM VARIATION NOT LEARNED |
| DTC P1441 | EVAP SYSTEM FLOW DURING NON-PURGE |
| DTC P1599 | ENGINE STALL OR NEAR STALL DETECTED |
| DTC P1640 | CONTROL MODULE OUTPUT CIRCUIT |
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.
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