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Thread: Zd30 no power

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    Zd30 no power

    Hey guys just bought my first Nissan patrol hoping to do some off roading and camping with it, but I am having major power problems with it seems like it’s not getting enough fuel into the engine and loosing power, have already changed diesel filter and cleaned the mass air sensor no improvement 😩 all tips appreciated, cheers

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    Bit more info, is it a common rail zd30 or Di?

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    It’s the ST model, direct injection, it’s loosing power going up hills

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    Disconnect the battery for half an hour to reset the ECU. If it still carries on, pop into SCA and get a scan done to see if there is any codes.

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    Ya I’ve tried disconnecting the battery already and still same issue after reconnecting, my latest test was testing the voltage out of each port of the MAF so there is a red wire, white wire, black wire, white wire in that order, all wires read correct voltage except for the red one, was getting a reading of 0 volts on that one and it is suppose to give a reading between 1.6 to 2 volts. So maybe this is the issue, does anybody know where this red wire goes to?

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    Welcome to the forum mate.
    In the words of a Dhuck "QUACK".

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    Patrol God mudnut's Avatar
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    Download the workshop manual and check out the wiring diagram.

    http://www.nissanpatrol.com.au/forum...-with-CRD-info

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    I don’t know a lot about Di ones but fuel filters sucking air have been common among the ones I’ve seen. After people replace them they loose the o’ring on top. Not saying that’s to ur issue though also seems the push primer suck air but my experience with Di zd30 is limited to about half a dozen.

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    Thanks for all reply’s guys, Thanks for the link mudnut but won’t let me into it, fortunately I already have found a manual so all good, I’ve traced the line all the way back to the ecu and I’ve tested the line (no break in the line) possibly an ecu issue, but there seems to be a relay somewhere in that line so I’m going to try track that down and hopefully that’s my problem rather than the ecu.

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    Quote Originally Posted by Mikefinn View Post
    It’s the ST model, direct injection, it’s loosing power going up hills
    In what way? Like your dragging a heavy trailer? Or is the power just instantly shutting off?

    Any mods done the the motor? Any recent repairs that you know of? Auto? Manual? If auto, is it in overdrive when this happens, If in manual, what gear are you in? What RPM is it happening at? Do you have a boost gauge? EGT gauge? Hard to help with the little info given.
    Last edited by mudski; 1st June 2020 at 06:58 AM.

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