Forum Discussion

Campinfan's avatar
Campinfan
Explorer III
Jun 23, 2014

What happened?

OK everyone, here is what just happened to me on our maiden voyage with our new 5er. We were on the road about 90 minutes traveling about 62 mph at 1800 RPMS. I had cruise control on and suddenly I am losing speed and I shut the cruise off. Then my truck starts doing 4000 RPM to maintain 60 on the flats and small hills and then it seem slike I have periods of losing power. I get off at the next exit (Turnpike) and the truck stalls at the toll booth. I pay the toll, wait a couple minutes and the trucks starts. I drive about 2 miles to the local Ford dealer and things appear to be fine but it is only a 2 mile ride. Any ideas what was wrong?
  • pjhansman's avatar
    pjhansman
    Explorer
    Jun 23, 2014
    Were it a diesel I'd say you kicked in to "limp mode". This is an annoying little problem that limits your speed and available gears....

    Limp mode can be caused by a myriad of issues. Fortunately it goes away when you re-start the engine, but unfortunately leaves no codes.
  • CoMoCo's avatar
    CoMoCo
    Explorer
    Jun 23, 2014
    What did the dealer say? Did they scan for codes? Did they find any?
  • poncho62's avatar
    poncho62
    Explorer
    Jun 23, 2014
    I suspect a transmission problem....You were saying 62@1800 rpm?.....Was it in overdrive?..Does the truck have tow mode button?

    I have an older truck, never tow in overdrive....3rd only
  • Scottiemom's avatar
    Scottiemom
    Nomad
    Jun 23, 2014
    I would be checking the fuel pump. We've had two fail on gassers, one on a Class A and another on a B+. Ours were in the tanks. When they heat up, they fail and you don't get fuel. Once they cool down, you can start it and go a bit till it heats up again.

    Dale
  • Campinghoss's avatar
    Campinghoss
    Explorer II
    Jun 23, 2014
    Oops. I see in your signature you have a gasser. My story don't apply to you.

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