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1991 Ford Bronco 5.8L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall
I have a very rich running Ford Bronco (91 5.8). Fuel pressure is 40 PSI, No Codes, New O2, Plugs & Wires, (OEM). Reference volts are 4.8 VDC. MAP sensor is good all other sensors have been lab scoped (Except TP). Primary and Secondary pattern look good on the...
FIX posted 7/20/1998
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Message Closed w/FIX
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| VIN | [No VIN Available] |
| Engine | 5.8 L / 8 cyl |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall |
| Occurs | Always |
| Misc. | Bronco Full Sized |
Message Closed w/FIX
Vehicle Data
1991 Ford Bronco
| VIN | [No VIN Available] |
| Engine | 5.8 L / 8 cyl |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall |
| Occurs | Always |
| Misc. | Bronco Full Sized |
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