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1999 Ford Explorer Eddie Bauer 4.0L Surge, Stall
Vehicle came in about a month ago with P0171 and P0174 stored lean fuel trims bank one and two. Long term fuel trims were way positive. If the throttle was cracked off idle the fuel trims would go directly to zero or a little negative. If the throttle was heal... FIX posted 3/6/2007 25 Replies Received (View Replies)25 Replies Received (Hide Replies)
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Message Closed w/FIX
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25 Replies Received
25 Replies Received
Related Documents & Media 
Vehicle Data| VIN | 1FMZU34E0X |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Surge, Stall |
| Occurs | Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0172 | Fuel System Too Rich (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
| P0175 | Fuel System Too Lean (Bank 2) |
Video