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1998 Oldsmobile Silhouette Premiere 3.4L Excessive Emissions
Having problems with this one. Stalls when cold. When it warms up the ltft -25%, stft -3 to 3%. I know its running rich. I can't increase ltft, i've tried numerous things. Has new cat. Once the computer adjusts the ltft to -25% it runs fine but when it sits ov... FIX posted 4/9/2012 12 Replies Received (View Replies)12 Replies Received (Hide Replies)
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Message Closed w/FIX
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12 Replies Received
12 Replies Received
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Vehicle Data| VIN | 1GHDX03E5W |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions |
| Occurs | Always |
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