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1996 Chevrolet Astro 4.3L MIL Lamp on
MIL light on and codes P0144 and P0147 history for post cat oxygen sensor voltage high and heater circuit. KOEO voltages on scanner show just under 500 mv for other 3 O2 sensors and 1068 mv on post cat. When running or driving, others change as expected, post ...
FIX posted 2/3/2004
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Message Closed
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Related Documents & Media | VIN | 1GNEL19W0T |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0144 | Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit High Voltage |
| P0147 | Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction |
Message Closed
Vehicle Data
1996 Chevrolet Astro
| VIN | 1GNEL19W0T |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0144 | Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit High Voltage |
| P0147 | Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction |
Video