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1986 Ford Bronco Custom 5.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy
hold throttle for a couple of secs and O2 falls to near zero. Car is infact verry lean.. co 0 hc 200 O2 6%. Every time you touch the throttle O2 picks up voltage rapidly. vehicle has header pipes. if you rev engine a few times sometimes it will stick rich....
FIX posted 1/23/1999
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| VIN | 1FMDU15N3G |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi port |
| Emissions | fed |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy |
| Occurs | Always, Intermittently |
| Misc. | Header Pipes |
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Vehicle Data
1986 Ford Bronco Custom
| VIN | 1FMDU15N3G |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi port |
| Emissions | fed |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy |
| Occurs | Always, Intermittently |
| Misc. | Header Pipes |
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