Section 10 (Engine Controls - Tests W/Codes - 3.1L Engine)
WARNING: This page is about a different car, the 1998 Pontiac Grand Prix, 1998 Chevrolet Monte Carlo, 1998 Chevrolet Lumina, and 1998 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Diagnostic System
- Diagnostic Procedure
- Powertrain On-Board Diagnostic (OBD) System Check
- Mil Inoperative
- DLC Diagnosis Or No Scan Tool Data
- Reading Trouble Codes
- Trouble Code Definitions
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes (DTC)
- ECM/Pcm/VCM Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Summary
- Diagnostic Trouble Codes
- Notes
- DTC P0101 - MAF Sensor System Performance
- DTC P0102 - MAF Sensor Circuit Low Frequency
- DTC P0103 - MAF Sensor Circuit High Frequency
- DTC P0107 - Map Sensor Circuit Low Voltage
- DTC P0108 - Map Sensor Circuit High Voltage
- IAT Temperature-To-Resistance Values
- DTC P0112 - IAT Sensor Circuit Low Voltage
- DTC P0113 - IAT Sensor Circuit High Voltage
- ECT Temperature-To-Resistance Values
- DTC P0117 - ECT Sensor Circuit Low Voltage
- DTC P0118 - ECT Sensor Circuit High Voltage
- DTC P0121 - TP Sensor Performance
- DTC P0122 - TP Sensor Circuit Low Voltage
- DTC P0123 - TP Sensor Circuit High Voltage
- DTC P0125 - ECT Excessive Time To Reach Closed Loop
- DTC P0131 - Ho2S Circuit Low Voltage Sensor 1
- DTC P0132 - Ho2S Circuit High Voltage Sensor 1
- DTC P0133 - Ho2S Circuit Slow Response Sensor 1
- DTC P0134 - Ho2S Insufficient Activity Sensor 1
- DTC P0135 - Ho2S Heater Circuit Sensor 1
- DTC P0137 - Ho2S Circuit Voltage Low Sensor 2
- DTC P0138 - Ho2S Circuit Voltage High Sensor 2
- DTC P0140 - Ho2S Circuit Insufficient Activity - Sensor 2
- DTC P0141 - Ho2S Heater Circuit Sensor 2
- DTC P0171 - Fuel Trim System Lean
- DTC P0172 - Fuel Trim System Rich
- DTC P0201 - Injector No. 1 Control Circuit
- DTC P0202 - Injector No. 2 Control Circuit
- DTC P0203 - Injector No. 3 Control Circuit
- DTC P0204 - Injector No. 4 Control Circuit
- DTC P0205 - Injector No. 5 Control Circuit
- DTC P0206 - Injector No. 6 Control Circuit
- DTC P0230 - Fuel Pump Control Circuit
- DTC P0300-P0306 - Engine Misfire Detected
- DTC P0325 - Knock Sensor Module Circuit
- DTC P0327 - Knock Sensor Low Voltage
- DTC P0336 - 24X Reference Signal Circuit
- DTC P0341 - Camshaft Position Sensor Circuit
- DTC P0401 - EGR System Insufficient Flow
- DTC P0403 - EGR Solenoid Control Circuit
- DTC P0404 - EGR System Performance
- DTC P0405 - EGR Sensor Circuit Low Voltage
- DTC P0420 - TWC System Low Efficiency
- DTC P0440 - EVAP System
- DTC P0442 - EVAP Control System (Small Leak Detected)
- DTC P0446 - EVAP Canister Vent Blocked
- DTC P0452 - Fuel Tank Pressure Sensor Low Voltage
- DTC P0453 - Fuel Tank Pressure Sensor High Voltage
- DTC P0506 - Idle Control System Low Rpm
- DTC P0507 - Idle Control System High Rpm
- DTC P0530 - A/C Refrigerant Pressure Sensor Circuit
- DTC P0560 - System Voltage
- DTC P0601 - Pcm Memory
- DTC P0602 - Pcm Not Programmed
- DTC P0705 - Transaxle Range Switch Circuit
- DTC P0706 - Transaxle Range Switch Performance
- DTC P1106 - Map Sensor Circuit Intermittent High Voltage
- DTC P1107 - Map Sensor Circuit Intermittent Low Voltage
- DTC P1111 - IAT Sensor Circuit Intermittent High Voltage
- DTC P1112 - IAT Sensor Circuit Intermittent Low Voltage
- DTC P1114 - ECT Sensor Circuit Intermittent Low Voltage
- DTC P1115 - ECT Sensor Circuit Intermittent High Voltage
- DTC P1121 - TP Sensor Circuit Intermittent High Voltage
- DTC P1122 - TP Sensor Circuit Intermittent Low Voltage
- DTC P1133 - Ho2S Insufficient Switching Sensor 1
- DTC P1134 - Ho2S Transition Time Ratio Sensor 1
- DTC P1336 - CKP System Variation Not Learned
- DTC P1351 - Ignition Control (Ic) Circuit Open
- DTC P1352 - By-Pass Line Open
- DTC P1361 - Ignition Control Circuit Not Toggling
- DTC P1362 - By-Pass Circuit Shorted
- DTC P1374 - 3X Reference Circuit
- DTC P1380 - EBCM DTC Detected Rough Road Data Unusable
- DTC P1381 - Misfire Detected No EBCM/Pcm Serial Data
- DTC P1404 - EGR Valve Pintle Stuck Open
- DTC P1441 - EVAP System Flow During Non-Purge
- DTC P1483 - Engine Cooling System Performance
- DTC P1554 - Cruise Control Status Circuit
- DTC P1602 - EBCM/EBTCM Serial Data Circuit
- DTC P1605 - HVAC Serial Data Circuit (Century Only)
- DTC P1610 - Standard Body Module Serial Data Circuit
- DTC P1626 - Theft Deterrent System Fuel Enable Circuit
- DTC P1630 - Theft Deterrent System Pcm In Learn Mode
- DTC P1631 - Theft Deterrent System Password Incorrect
- DTC P1635 - 5-Volt Reference "A" Circuit
- DTC P1639 - 5-Volt Reference "B" Circuit
- DTC P1641 - A/C Relay Control Circuit
- DTC P1642 - Change Oil Light Control Circuit Lumina & Monte CARLO)
- DTC P1651 - Fan 1 Relay Control Circuit
- DTC P1652 - Fan 2 Relay Control Circuit
- DTC P1653 - Fuel Level Output Control Circuit Lumina & Monte CARLO)
- DTC P1662 - Cruise Control Inhibit Circuit
- DTC P1663 - Generator Light Control Circuit Lumina & Monte CARLO)
- DTC P1665 - EVAP Vent Solenoid Control Circuit
- DTC P1671 - Mil Control Circuit
- DTC P1676 - EVAP Purge Valve Control Circuit