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  • Loss of power/accelerator response

    G'day Team,

    My 2008 D4D Auto has just ticked over the 200,000km mark and has been serviced every 10k. at 190,000 I had the fuel pump replaced due to corrosion and also recently replaced the Starter Motor. I also replaced the Timing belt at the required 150,000km mark.

    For the past 6-8 months, very intermittently, I have have had the occasion that the accelerator does not respond when attempting to take off at lights/stops, etc, after a couple of pumps/seconds, it bursts into life, then repeats that for the next 30 or so seconds, then it all comes right. It will sometimes do it again at the next lights/stop, or it maybe a day, a week or a month later without any incident in between.

    Recently though, the wife had the car completely shut down when at the lights, a quick shift into park and restart and no more occurrences.

    Yesterday however, I had the same issue (from cold) come back whereby there was no initial response from the pedal, but a few pumps and away she goes. As I moved up to 60km the drops offs became very regular. I would hold the pedal at the same revs (holding at 60km/hr) and the power would drop off, then burst back into life, then settle down, then repeat - continuously.

    I put on the cruise control for 60km/hr and she continued to do the same (for the 22km drive home). However; I dropped it out of D and shifted manually for a few times and surprise, no drop in power. Back into D and the issue came back, so back into 4 for cruising (no cruise control in 4 though - I assume that is as designed).

    I have over half a fuel load and have been using BP diesel, so I assume that is not part of the problem. She had her 200,000km service done at Toyota and I raised this intermittent issue with them, but without any way to repeat the problem, or for them to witness it, they could not help.

    I now have next to no confidence in the beast and it is frustrating me.

    Any ideas?

    I have video available of the dash where it can be viewed doing it's funky thing (if anyone wants to see).

    2008 GXL D4D, Silver Ash, ARB Deluxe Bar, T11 Domin8r 12000lb Winch, Factory Towbar, ARB OME Lift, Safari Snorkel, BFG AT/R's, Redback Dual battery with Redarc, GME TX3340 UHF, Lighforce HID XGT 240s, Rhino Aero rack, ARB Awning, Custom drawers, MSA Drop down fridge slide, AMTS tyre Spacer with twin LED work lights.

  • #2
    Try contact cleaner in all the plugs on the pedal and throttle body. If its doing it on cruise as well, its likely an issue at throttle body end. (Or worse ECU).. A swap out of the throttle body actuator would be my next troubleshooting step after the above if it doesnt help.

    Comment


    • #3
      Hi,Piggy,my 2008 1kzte has lost power,goes to 80 kph,then steadily climb to 100kph.Sometimes it revsup an d you have to remove foot from accelarator pedal then it shifts.Any idea what is causing it?

      Comment


      • #4
        My manual 08 Prado has just done a similar thing with 270km on the clock. Just had to get it towed to the mechanics. When I started it after the weird power loss there was a small amount of white smoke out the exhaust. I didn’t try starting it again and have literally just had it towed. Hopefully not a complete disaster.

        Comment

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