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2001 Ford Ranger XL 3.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on
Customer is a neighbor of mine. Engine has mis at all times. It is definitley cyl 1. Replaced plugs,wires and coil at customer request, no help. Scan tool showed HO2s B1S2 switching slow. Replaced sensor (looked to be generic) with Motorcraft, no luck. Now sca...
FIX posted 9/24/2004
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Message Closed w/FIX
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Related Documents & Media | VIN | 1FTZR15UO1 |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sfi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0301 | Cylinder 1 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2001 Ford Ranger XL
| VIN | 1FTZR15UO1 |
| Engine | 3.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sfi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0301 | Cylinder 1 Misfire Detected |
Video