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1999 Volkswagen Golf GTI 2.0L MIL Lamp on
Has codes p0140 p0141 & p1128. Car has had light on for a while and not sure when each code set. Secondary 02 is stuck at .450 volts in closed loop at all rpms including snap throttle. Maf sensor at .298gs @ idle. leaning to replacing MAF and Both 02's, But wo...
FIX posted 1/25/2008
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Message Closed w/FIX
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Related Documents & Media | VIN | WVWDA31J6X |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected |
| P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
| P1128 | MAP Sensor Signal Lower Than Expected |
Message Closed w/FIX
Vehicle Data
1999 Volkswagen Golf GTI
| VIN | WVWDA31J6X |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected |
| P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
| P1128 | MAP Sensor Signal Lower Than Expected |
Video