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No response/power in drive first thing am

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  • No response/power in drive first thing am

    Not sure if this is in right section but we'll see

    08 grande auto d4d
    So the 120 has been doing this thing quite regularly where it's gutless/almost zero throttle response first thing in the morning... but only in drive.

    In neutral before going anywhere it revs fine. In reverse it's as responsive as expected. But once on the road and shifted into drive there's little action. Sometimes I'm 2 houses down the street before it's comes good sometimes it's 10 metres. It'd be something just above idle and moving then it comes good.

    Some days I'd think it's throttle position sensor, some days I'd think it's a ridiculously huge flat spot. But the uniqueness of it being only once in drive and only early/first drive in morning has me stumped. It doesn't "chug" as if it's stuck in top gear, like in a manual, it's just little to no response.

    I'm kind of leaning towards a valve body/ transmission control kind of issue, or communication between gear selection and ecu... but just not sure.

    Anyone else experienced this or something similar


  • #2
    Likely trans related. When was trans fluid last changed and serviced? I'd start there first. Have it changed and see if any better. If you warm it up for say 3-4 mins first is it any better? Could be torque converter is draining and needs to be refilled/pumped. Again, trans service may sort it.


    • #3
      In reverse your probably not requiring a lot of power?

      Possibly turbo charger, maybe van activator sticking?
      HKB Electronics, manufacturer of the Alternator Voltage Booster, Silver 2008 D4D,Lifted,Underbody protection, Alternator Voltage Booster, Tiger Z winch, Lightforce DL, Air Horns, Tanami Drawers, Drop down fridge slide, Outback cargo barriers, Rotronics dual Battery system, Polaris GPS, HF/UHF/VHF, Radio speaker combiner, Long ranger water tank, Diff breathers, Inverter, Snorkel and others


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