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1996 Chevrolet Astro 4.3L Poor Fuel Economy, MIL Lamp on
Can drive this van until hot - coolant reaches 199F and then during accel both O2's go to excessive lean B1S1 - 0.004mV , B2S1 - 0.038mV. Performed all pinpoint tests - everything seems OK. Inspected spark plugs and found #5 burning rich and smelt fuel when SE...
FIX posted 8/29/2003
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1GNDM19W7T |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / scfi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, MIL Lamp On |
| Occurs | Hot, on Accel, Cruise, Idle |
Trouble Codes
| P0134 | Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction |
Message Closed w/FIX
Vehicle Data
1996 Chevrolet Astro
| VIN | 1GNDM19W7T |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / scfi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, MIL Lamp On |
| Occurs | Hot, on Accel, Cruise, Idle |
Trouble Codes
| P0134 | Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction |
Video