P0031 Diagnostic Trouble Code Discussion for February 2004
Air Fuel Sensor (Bank 1 Sensor 1) Heater Control Circuit Low Voltage
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| Help Request | Posted | |
| 2001 Dodge Ram 1500 Laramie 5.9L MIL Lamp on, code po031 VIN: 1B7HF13Z11 P0031: Bank 1 Sensor 1 heater circuit low. Truck came in with check engine light on. Scanned for codes found po031 B1 S1 heater circuit low. R&R o2 sensor and cleared codes. Light came back on and so did the code. Got out mitchell's diagnostic procedures for the code. We have a DRB 3 hooked up and ... |
February 04, 2004 | |
| 2000 Volvo S40 1.9L No Start, Stall VIN: YV1VS2555Y P0031: front O2 preheating signal too low. Need help with this valvo. Towed to shop with no start trouble. upon testing I can get to start by holding throttle open. But it will not idle.Customer states when trouble first started it would start and then die and then would not start at all. Have check co... |
February 24, 2004 |
