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1994 Ford Mustang 3.8L Poor Idle Quality, MIL Lamp on
This one is realy driving me nuts. This one has a rough idle especially when you just tip into the rpms in park like a vacume leak. Well with that and the o2 codes that kept coming up I decided to do a intake gasket job because with this plenum set up I co...
FIX posted 4/23/1999
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| VIN | 1FALP4446R |
| Engine | 3.8 L / 6 cyl |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
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Vehicle Data
1994 Ford Mustang
| VIN | 1FALP4446R |
| Engine | 3.8 L / 6 cyl |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
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