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1991 Ford Mustang GT 5.0L Excessive Emissions, Poor Idle Quality
Hi group. My problem is the car is burning very rich but the o2's are flatlined lean. Injector pulse is 4ms and will not vary. This car will let me do a koeo test but will not do a running test. I disabled the air pump also tested all hots and grounds at the c...
FIX posted 4/25/2002
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Message Closed w/FIX
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| VIN | 1FACP42E5M |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / SEFI |
| Emissions | US |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1991 Ford Mustang GT
| VIN | 1FACP42E5M |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / SEFI |
| Emissions | US |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Always |
2 Replies Received
2 Replies Received
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