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29th May 2020, 08:38 PM
#1
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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29th May 2020 08:38 PM
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29th May 2020, 09:57 PM
#2
Bit more info, is it a common rail zd30 or Di?
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30th May 2020, 11:46 AM
#3
It’s the ST model, direct injection, it’s loosing power going up hills
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30th May 2020, 01:23 PM
#4
Patrol God
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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30th May 2020, 02:39 PM
#5
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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30th May 2020, 06:59 PM
#6
Patrol God
Welcome to the forum mate.
In the words of a Dhuck "QUACK".
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30th May 2020, 07:33 PM
#7
Patrol God
Download the workshop manual and check out the wiring diagram.
http://www.nissanpatrol.com.au/forum...-with-CRD-info
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30th May 2020, 07:37 PM
#8
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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31st May 2020, 11:38 PM
#9
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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1st June 2020, 07:54 AM
#10
Originally Posted by
Mikefinn
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 07:58 AM.
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