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1991 Ford Taurus 3.0L Poor Idle Quality, Surge
upon starting car engine surges heavily-it is in open loop-once it goes into closed loop the idle smooths out considerably-at 3850 rpm in nuetral in shop engine cuts out/surges heavily even in closed loop-all sensors test good and within range-no mil other...
FIX posted 7/13/1999
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Message Closed
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| VIN | [No VIN Available] |
| Engine | 3.0 L / 6 cyl |
| Emissions | us fed |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Idle, Intermittently |
| Misc. | Federal Car |
Trouble Codes
| 173 | right bank 02 is rich |
| 30 | no idea |
Message Closed
Vehicle Data
1991 Ford Taurus
| VIN | [No VIN Available] |
| Engine | 3.0 L / 6 cyl |
| Emissions | us fed |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Idle, Intermittently |
| Misc. | Federal Car |
Trouble Codes
| 173 | right bank 02 is rich |
| 30 | no idea |
Video