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1990 Pontiac Sunbird LE 2.0L Misfire, Poor Fuel Economy, MIL Lamp on
We are looking at two problems on this car. First, #3
cylinder has a dead misfire which seems to defy diagnosis.
Second is a code 45 rich indication with a fixed high O2
(above 900 mV) and a very low integrator (70).
FIX posted 1/12/2000
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Message Closed w/FIX
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Related Documents & Media 
| VIN | 1G2JB14K6L |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD I |
| Symptoms | Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 45 | Rich Indication |
Message Closed w/FIX
Vehicle Data
1990 Pontiac Sunbird LE
| VIN | 1G2JB14K6L |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD I |
| Symptoms | Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| 45 | Rich Indication |
Video