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Thread: Fuel Filter Warning Light

  1. #1

    Fuel Filter Warning Light

    I was travelling down the highway when the fuel filter warning light came on. So I dutifully stopped, checked the fuel filter by pumping a clean flow of fuel, and started up again. Still on. So I disconnected the negative battery terminal, waited 30 seconds and tried again. Still on. Has anyone encountered this problem?
    2007 Prado GXL, Silver, D4D manual
    ARB steel bar, HR tow bar, dual batteries, OME suspension w 50mm lift, BF Goodrich A/Ts, GME 3420, Twine shower and KK Classic CT

  2. #2

    Re: Fuel Filter Warning Light

    Hi Hughd,

    I think you are supposed to drain the water from the filter before the light will go out.
    Greg - 08 D4D Prado,
    Some trips done - Cape York, Fraser Island, Simpson Desert / Central Aust, Vic High Country.

  3. #3

    Re: Fuel Filter Warning Light

    I should have mentioned that after the first problem I actually removed the filter and checked it. It was clean, so I put it back and drained it again. Still had the warning light on, so I disconnected the battery again. Still the light persists. (Also went through the ritual of the power windows....they work)
    2007 Prado GXL, Silver, D4D manual
    ARB steel bar, HR tow bar, dual batteries, OME suspension w 50mm lift, BF Goodrich A/Ts, GME 3420, Twine shower and KK Classic CT

  4. #4

    Re: Fuel Filter Warning Light

    In that case it sounds like the sensor may be stuck.

    Should be a warranty job if its not too late.
    Greg - 08 D4D Prado,
    Some trips done - Cape York, Fraser Island, Simpson Desert / Central Aust, Vic High Country.

  5. #5

    Re: Fuel Filter Warning Light

    Just to close this one out - the dealer said the filter was clogged and replaced it. They also reset the ECU. It was a new filter (<1000km), but dirty fuel can happen at any time I suppose.
    H
    2007 Prado GXL, Silver, D4D manual
    ARB steel bar, HR tow bar, dual batteries, OME suspension w 50mm lift, BF Goodrich A/Ts, GME 3420, Twine shower and KK Classic CT

  6. #6
    Junior Member
    Join Date
    Jan 2012
    Location
    Gold Coast
    Posts
    55
    I know this an old thread but encountered the same problem in our 2007 Deisel 120 series and managed to reset the warning light by doing the following:

    1. Disconnect top wires/plug on filter housing
    2. Turn Ignition on
    3. Plug top wires/plug back in
    4. Turn Ignition off
    5. Turn Ignition back on and start vehicle

    Hope this helps.

  7. #7
    Lurker
    Join Date
    Apr 2012
    Location
    St Clair Sydney NSW
    Posts
    17
    If Water trap sediment filter was blocked and that was changed i would consider changing the fuel filter that is always neglected between the forward fuel tank and the tailshaft the book says change every 20,000 but it never gets done out of sight out of mind it costs a lot from Toyota (Toyota Part Number 2330030310 $78 - $120) or (Aftermarket Cooper WCF178 $22) between $78.50 and $120 at another dealer or buy aftermarket for $22 its a 10 minute dirty job but when its done its eliminated another possible problem.

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