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1990 Geo Prizm GSi 1.6L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
Hi ,thanks for your time ,the problem i am having is the o2 signal on the red and green wire (o2 input to ecu) is always 0.900v even if i disconect the brake booster and induce a vac leak ,also if I disconect the o2 I still get 0.9v comeing out of the ecu.I ha...
Summary posted 4/26/2005
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Related Documents & Media | VIN | 1Y1SL5453L |
| Engine | 1.6 L / 4 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SFI |
| Emissions | FED |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
| Misc. | Prizm Gsi Wide Head Engine |
Trouble Codes
| 21 | 02 sensor |
| 25 | lean exhaust |
| 26 | rich exhaust |
Message Closed w/Summary
Vehicle Data
1990 Geo Prizm GSi
| VIN | 1Y1SL5453L |
| Engine | 1.6 L / 4 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SFI |
| Emissions | FED |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
| Misc. | Prizm Gsi Wide Head Engine |
Trouble Codes
| 21 | 02 sensor |
| 25 | lean exhaust |
| 26 | rich exhaust |
Video