Intermittent loss of power while driving

Discussion in 'Maintenance' started by DrDickhole, Jul 4, 2013.

  1. DrDickhole

    DrDickhole New Member

    I have a 2004 V6 Prerunner that has begun to drop power intermittently while driving. It doesn't happen when it's idle, only when I'm driving. If anyone can help me troubleshoot or suggest any parts that would be associated with this problem I would really appreciate it. I just bought a new fuel filter but haven't installed it yet.
     
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  3. OffroadTaco4x4

    OffroadTaco4x4 Well-Known Member

    Well can you tell that the engine is getting fuel?
     
  4. OffroadTaco4x4

    OffroadTaco4x4 Well-Known Member

    If so, there could be many different problems. I've heard that the cat can go bad and cause a lot of back pressure causing loss of power.
     
  5. Tacoma Dave

    Tacoma Dave Well-Known Member

    I had a similar problem with my Jeep, it was caused by dirty fuel injectors. I dump a bottle of Techron in the tank and 100 miles latter the problem was gone.
     
  6. OP
    DrDickhole

    DrDickhole New Member

    It seems like it is not getting fuel when it happens. My RPM's drop and you can feel it.
     
  7. OffroadTaco4x4

    OffroadTaco4x4 Well-Known Member

    Ok well I'm not sure where the fuel filter is on the first gens but if fuel is getting to the filter then the only way it couldn't be getting fuel is clogged injectors. But the problem might not be due to that. I would try what Tacoma Dave said. If that doesn't work then I would take a look at your cats.
     
  8. OP
    DrDickhole

    DrDickhole New Member

    Forgive my lack of knowledge of tech talk but when you say cats....you mean?
     
  9. OffroadTaco4x4

    OffroadTaco4x4 Well-Known Member

    The catalytic converters, they are located exactly after your exhaust manifold or close to it.
     
  10. OP
    DrDickhole

    DrDickhole New Member

    Ok. I thought that was what you were talking aboot but you never know. I'll try the cleaner and go from there. Thanks for all the help and the quick respones
     
  11. TacoJoe11

    TacoJoe11 Well-Known Member

    Are you hearing any rattle at idle or certain rpms? If you do have a clogged cat, it may rattle from loose material in the pipe. You can also take a rubber mallet and lightly tap the cat to see if it rattles. I've experienced this in the same symptoms in the past with my S10, the catalytic convertor was the culprit.
     
  12. Princess Kim

    Princess Kim New Member

    ok, better late than never. I just got my Tacoma 2 days ago. I'm having the same issue. I'm not getting the tale tell clatter of a blocked EGR. The truck had a little over 1/2 a tank when I got it so I haven't added any fuel (hence I don't know when or where it was obtained from). That being said we recently flooded here so it isn't totally out of the realm of possibility for there to be water in it. It IS GETTING WORSE. it did rain last night/early this morning before driving the vehicle so I'm not sure if that is a contributor. Any and all suggestions accepted. @ DrDickhole. what di you find to be the issue?
     
  13. Princess Kim

    Princess Kim New Member

    hey doll, what did you find out about this power loss issue. I'm having the same problem on my '09 with only 100588 miles on it
     

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