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1999 Ford Ranger XLT 4.0L Poor Fuel Economy, MIL Lamp on
CHECK ENGINE LIGHT COMES ON AFTER ABOUT 2 WEEKS WITH THE SAME CODES ALL THE TIME. WE HAVE CHANGED 1 OF THE O2 AND HAVE CHECKED FOR VAC LEAKS AND HAVE CLEANED THE MASS AIR FLOW AS INSTRUCTED IN THE TSB [...]. all is fine for about 2 or more weeks and then the c...
FIX posted 2/21/2009
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Message Closed w/FIX
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18 Replies Received
18 Replies Received
Related Documents & Media | VIN | 1FTYR11X5X |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
1999 Ford Ranger XLT
| VIN | 1FTYR11X5X |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video