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1987 Pontiac Fiero Value Leader 2.5L Runs rich, code 45
Hello GM techs: This old Fiero will not switch to lean. Once warmed up, the CHECK ENG light comes on and under closed loop, the integrator will go down to 80 and stay there. The injector pulse width varies between 0.9 and 1.1 msec. The only strange par...
FIX posted 10/14/1999
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| VIN | 1G2PM11R2H |
| Engine | 2.5 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | Fed |
| Symptoms | Runs Rich, Code 45 |
| Occurs | Always, Hot |
Trouble Codes
| 45 | O2 Sensor rich |
Message Closed w/FIX
Vehicle Data
1987 Pontiac Fiero Value Leader
| VIN | 1G2PM11R2H |
| Engine | 2.5 L / 4 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | Fed |
| Symptoms | Runs Rich, Code 45 |
| Occurs | Always, Hot |
Trouble Codes
| 45 | O2 Sensor rich |
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