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  1. Too Lean P0171 - Ecoboost f150 crew 4x4

    F150 Ecoboost Problems
    I'm scratching my head as to what is causing this too lean code on my truck. 2013 F150 Supercrew 4x4 3.5 Ecoboost 74k miles. I've replaced the upstream O2 sensor and the PCV valve on the Bank 1 side, also replaced the MAP sensor by the air filter, I also cleaned the other two. Checked vacuum...
  2. Normal Operating Characteristics (LOL)

    F150 Ecoboost Problems
    So if you have not seen my previous posts, I am not happy with my truck. I have had issues since the second day of ownership. Here is a summary: - Check engine light @ 150 miles. Replaced a sensor in the left rear cam shaft. (originally told the PCM relay was replaced, paperwork stated...
  3. Occasional Starting issue with 2011

    F150 Ecoboost Problems
    Bought a used 2011 in May of 2015, everything running great until we were headed back to Wisconsin from a trip to Mississippi in March of 2016 after a big storm, close tornado. At one of the gas stops it wouldn't start after filling. It would turn over but wouldn't fire or catch. Finally found...
  4. What Ecoboost problems have you seen?

    F150 Ecoboost Problems
    I am considering an Ecoboost F150 or a 5.0 V8. I have read several forums where people have had horrible MPG and turbo problems on Ecoboost, transmission problems and improper driveline angle on the 6.5 foot bed with both trucks. What is the prevalence of these. Is it something I really need to...
  5. Poor Mileage issue on my F150 Ecoboost - Help Please

    F150 Ecoboost Problems
    I just took ownership on a used 2011 F150 FX with Max Tow(3.73) with 19,500 miles. Bought from Ford Dealer. Before driving off the lot I reset the MPG trip as I was on a full tank. I Drove it home 205 miles (hwy). I purposely drove very conservatively with coasting and acceleration to maximize...
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