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.
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HOMESERVICE MANUALSOLDSMOBILE1998ACHIEVA 3.1 M, 4T40E/MN4REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 28 (ENGINE CONTROL SYSTEM - TESTS W/CODES - DTC P0135-P0204)
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4
Section 28 (Engine Control System - Tests W/Codes - DTC P0135-P0204)
1998 Oldsmobile Achieva 3.1 M, 4T40E/MN4SECTION Section 28 (Engine Control System - Tests W/Codes - DTC P0135-P0204)
WARNING: This page does not describe the selected car, but rather 65 other vehicles, including the 1999 Saturn SW2, 1999 Saturn SW1, 1999 Saturn SL2, 1999 Saturn SL1, and 1999 Saturn SL. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- DTC P0135
- DTC P0135: Ho2S Heater Circuit-Bank 1, Sensor 1 (3.0L "V" Body)
- DTC P0135: Ho2S Heater Circuit-Sensor 1 (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0135: Ho2S Heater Circuit-Sensor 1 (3.5L "W" Body)
- DTC P0135: Ho2S Heater Circuit-Sensor 1 (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0135: Ho2S Heater Circuit-Bank 1, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0135: Ho2S Heater Circuit Bank 1, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0135: Ho2S Heater Circuit-Bank 1, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series)
- DTC P0135: Ho2S Heater Circuit-Bank 1, Sensor 1 (5.7L "F" & "Y" Bodies)
- DTC P0136
- DTC P0137
- DTC P0137: Ho2S Circuit-Low Voltage-Sensor 2 (1.9L SATURN)
- DTC P0137: Ho2S Circuit-Low Voltage-Sensor 2 (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies)
- DTC P0137: Ho2S Circuit-Low Voltage-Sensor 2 (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0137: Ho2S Circuit-Low Voltage-Sensor 2 (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0137: Ho2S Circuit-Low Voltage-Bank 1, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0137: Ho2S Circuit-Low Voltage-Bank 1, Sensor 2 (5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series)
- DTC P0138
- DTC P0138: Ho2S Circuit-Voltage High-Sensor 2 (1.9L SATURN)
- DTC P0138: Ho2S Circuit-Voltage High-Sensor 2 (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies)
- DTC P0138: Ho2S Circuit-High Voltage-Bank 1, Sensor 2 (3.0L "V" Body)
- DTC P0138: Ho2S Circuit-High Voltage-Sensor 2 (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0138: Ho2S Circuit-High Voltage-Sensor 2 (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0138: Ho2S Circuit-High Voltage-Bank 1, Sensor 2 (4.3L "C" & "K" Series)
- DTC P0138: Ho2S Circuit-High Voltage-Bank 1, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series)
- DTC P0138: Ho2S Circuit-High Voltage-Bank 1, Sensor 2 (5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series)
- DTC P0138: Ho2S Circuit-High Voltage-Bank 1, Sensor 2 (5.7L "F" & "Y" Bodies)
- DTC P0139
- DTC P0140
- DTC P0140: Ho2S Circuit-Insufficient Activity-Sensor 2 (1.9L SATURN)
- DTC P0140: Ho2S Circuit-Insufficient Activity-Sensor 2 (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies)
- DTC P0140: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 2 (3.0L "V" Body)
- DTC P0140: Ho2S Circuit-Insufficient Activity-Sensor 2 (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0140: Ho2S Circuit-Insufficient Activity-Sensor 2 (3.5L "W" Body)
- DTC P0140: Ho2S Circuit-Insufficient Activity-Sensor 2 (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0140: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series)
- DTC P0140: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0141
- DTC P0141: Ho2S Heater Circuit-Sensor 2 (1.9L SATURN)
- DTC P0141: Ho2S Heater Circuit-Sensor 2 (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies)
- DTC P0141: Ho2S Heater Circuit-Bank 1, Sensor 2 (3.0L "V" Body)
- DTC P0141: Ho2S Heater Circuit-Sensor 2 (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0141: Ho2S 2 Heater Circuit-Sensor 2 (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0141: Ho2S Heater Circuit-Bank 1, Sensor 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series)
- DTC P0141: Ho2S Heater Circuit-Bank 1, Sensor 2 (4.8L, 5.3L, & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0143
- DTC P0144
- DTC P0146
- DTC P0146: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 3 (3.8L "F" Body)
- DTC P0146: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 3 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0146: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 3 (4.3L, 5.0L & 5.7L "C", "G", "K, "L", "M", "P", "S" & "T" Series)
- DTC P0147
- DTC P0150
- DTC P0151
- DTC P0151: Ho2S Circuit Voltage Low Bank 2, Sensor 1 (3.0L "V" Body)
- DTC P0151: Ho2S Circuit Voltage Low Bank 2, Sensor 1 (3.8L "F" Body)
- DTC P0151: Ho2S Circuit-Low Voltage-Bank 2, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0151: Ho2S Circuit-Low Voltage-Bank 2, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0151: Ho2S Circuit-Low Voltage-Bank 2, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0152
- DTC P0152: Ho2S Circuit-High Voltage-Bank 2, Sensor 1 (3.0L "V" Body)
- DTC P0152: Ho2S Circuit-High Voltage-Bank 2, Sensor 1 (3.8L "F" Body)
- DTC P0152: Ho2S Circuit-High Voltage-Bank 2, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0152: Ho2S Circuit Voltage High Bank 2, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0152: Ho2S Circuit-High Voltage-Bank 2, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series)
- DTC P0152: Ho2S Circuit-High Voltage-Bank 2, Sensor 1 (5.7L "F" & "Y" Bodies)
- DTC P0153
- DTC P0153: Ho2S Circuit-Slow Response-Bank 2, Sensor 1 (3.8L "F" Body)
- DTC P0153: Ho2S Circuit-Slow Response-Bank 2, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0153: Ho2S Circuit-Slow Response-Bank 2, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0153: Ho2S Circuit-Slow Response-Bank 2, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0154
- DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (3.0L "V" Body)
- DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (3.8L "F" Body)
- DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (4.3L "L" & "M" Series)
- DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "P", "S" & "T" Series)
- DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0155
- DTC P0155: Ho2S Heater Circuit-Bank 2, Sensor 1 (3.0L "V" Body)
- DTC P0155: Ho2S Heater Circuit-Bank 2, Sensor 1 (3.8L "F" Body)
- DTC P0155: Ho2S Heater Circuit-Bank 2, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0155: Ho2S Heater Circuit-Bank 2, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0155: Ho2S Heater Circuit-Bank 2, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0156
- DTC P0157
- DTC P0158
- DTC P0159
- DTC P0160
- DTC P0160: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 2 (3.0L "V" Body)
- DTC P0160: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series)
- DTC P0160: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0161
- DTC P0171
- DTC P0171: Fuel Trim System Too Lean (1.9L SATURN)
- DTC P0171: Fuel Trim System Lean (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies)
- DTC P0171: Fuel Trim System Lean-Bank 1 (3.0L "V" Body)
- DTC P0171: Fuel Trim System Lean (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0171: Fuel Trim System Lean (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0171: Fuel Trim System Lean-Bank 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0171: Fuel Trim System Lean-Bank 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0171: Fuel Trim System Lean-Bank 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0172
- DTC P0172: Fuel Trim System Rich (1.9L SATURN)
- DTC P0172: Fuel Trim System Rich (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies)
- DTC P0172: Fuel Trim System Rich-Bank 1 (3.0L "V" Body)
- DTC P0172: Fuel Trim System Rich (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0172: Fuel Trim System Rich (3.8L "C", "G", "H" & "W" Bodies)
- DTC P0172: Fuel Trim System Rich-Bank 1 (3.8L "F" Body)
- DTC P0172: Fuel Trim System Rich-Bank 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0172: Fuel Trim System Rich-Bank 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0172: Fuel Trim System Rich-Bank 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0174
- DTC P0174: Fuel Trim System Lean-Bank 2 (3.0L "V" Body)
- DTC P0174: Fuel Trim System Lean-Bank 2 (3.8L "F" Body)
- DTC P0174: Fuel Trim System Lean-Bank 2 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0174: Fuel Trim System Lean-Bank 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0174: Fuel Trim System Lean-Bank 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0175
- DTC P0175: Fuel Trim System Rich-Bank 2 (3.0L "V" Body)
- DTC P0175: Fuel Trim System Rich-Bank 2 (3.8L "F" Body)
- DTC P0175: Fuel Trim System Rich-Bank 2 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0175: Fuel Trim System Rich-Bank 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0175: Fuel Trim System Rich-Bank 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
- DTC P0200
- DTC P0201
- DTC P0201, P0202, P0203 &/Or P0204: Injector Control Circuit Fault (1.9L SATURN)
- DTC P0201: Injector No. 1 Control Circuit (3.0L "V" Body)
- DTC P0201: Injector No. 1 Control Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0201: Injector No. 1 Control Circuit (3.5L "W" Body)
- DTC P0201: Injector No. 1 Control Circuit (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0201: Injector No. 1 Control Circuit (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0202
- DTC P0202: Injector No. 2 Control Circuit (3.0L "V" Body)
- DTC P0202: Injector No. 2 Control Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0202: Injector No. 2 Control Circuit (3.5L "W" Body)
- DTC P0202: Injector No. 2 Control Circuit (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0202: Injector No. 2 Control Circuit (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0203
- DTC P0203: Injector No. 3 Control Circuit (3.0L "V" Body)
- DTC P0203: Injector No. 3 Control Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0203: Injector No. 3 Control Circuit (3.5L "W" Body)
- DTC P0203: Injector No. 3 Control Circuit (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0203: Injector No. 3 Control Circuit (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0204
- DTC P0204: Injector No. 4 Control Circuit (3.0L "V" Body)
- DTC P0204: Injector No. 4 Control Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0204: Injector No. 4 Control Circuit (3.5L "W" Body)
- DTC P0204: Injector No. 4 Control Circuit (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0204: Injector No. 4 Control Circuit (4.0L "G" Body & 4.6L "E" & "K" Bodies)
RENDER: 1.0x
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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.