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1995 Pontiac Bonneville SSE 3.8L MIL Lamp on, Lean Condition
Ok Techs help me out here. Car was brought in with mil on. I checked DTC's and found 131 and 171. Car seems to Idle a bit rough. First thing I did was check fuel pressure. I got 30 psi koeo after pulsing the key. Running the pressure went no higher than 30...
FIX posted 7/29/1999
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| VIN | 1G2HZ5215S |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Lean Condition |
| Occurs | Always |
| Misc. | Ssei |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
| P0171 | Fuel System Too Lean (Bank 1) |
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Vehicle Data
1995 Pontiac Bonneville SSE
| VIN | 1G2HZ5215S |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Lean Condition |
| Occurs | Always |
| Misc. | Ssei |
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage |
| P0171 | Fuel System Too Lean (Bank 1) |
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