
2014 Ford F-150 Lariat 5.0L Poor Fuel Economy
New customer to us. Original complaint was very hard to start and poor mileage. Dealer replaced whole lotta parts- some under warranty, some customer pay. He never got resolution to either hard start,or poor mileage. What I noticed was flex fuel learned wa...
FIX posted 12/16/2019
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VIN | 1FTFW1EFXE |
Engine | 5.0 L / 8 cyl / FLEX |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / Flex fuel |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy |
Occurs | Always |
Trouble Codes
P1127 | Long Term Fuel Trim Multiplier System Too Rich |
P1639 | TCM Internal - CAN 2 RAM Performance |
Message Closed w/FIX
Vehicle Data
2014 Ford F-150 Lariat
VIN | 1FTFW1EFXE |
Engine | 5.0 L / 8 cyl / FLEX |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / Flex fuel |
Emissions | OBD-II Compliant |
Symptoms | Poor Fuel Economy |
Occurs | Always |
Trouble Codes
P1127 | Long Term Fuel Trim Multiplier System Too Rich |
P1639 | TCM Internal - CAN 2 RAM Performance |