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Thread: Breaking down at 3000-3500 tom

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    Breaking down at 3000-3500 tom

    Hi all have been complaining to local dealer at last two services (last being major) about low power and bad soot at all revs. Was told nothing wrong. ZD30 CRD motor. Have done some research and found that a number of things can contribute. Not running catch can but soon will be. I have cleaned MAF and found the hose going to the top of the boost controller was split. Obviously a grade mechanics at my local dealer as it was the first thing I noticed. This to has been replaced by myself. Will look at replacing injectors and fuel line soon. After replacing said hose and cleaning MAG sensor used liqui Molly MAF cleaner. At 3500rpm it like rev limiter is kicking in any ideas please. Have reset computer.
    Remember laughter is the best medicine. If you don't laugh you die.

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    Patrol God threedogs's Avatar
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    Buy yourself a Scan-gauge first off, You really need gauges
    with these ZD30 motors to see what the heck is going on
    Last edited by threedogs; 20th March 2017 at 01:19 PM.
    04 ST 3lt auto, not enough Mods to keep me happy, but getting there

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    SUCH IS LIFE Maxhead's Avatar
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    Sounds like your TPS( throttle position sensor) is stuffed. I had a similar issue with my old Patrol.
    Your description is a bit different to mine where I would have no power early in the rpm range,
    Spray some contact cleaner in your pedal tps and see if it makes any difference .
    I had mine replaced under warranty
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    Quote Originally Posted by threedogs View Post
    Buy yourself a Scan-gauge first off, sounds to me like low boost
    You really need gauges with these ZD30 motors to see the heck is going on
    Yeh got one on the way cheers for your help.

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    Quote Originally Posted by Nisshead View Post
    Sounds like your TPS( throttle position sensor) is stuffed. I had a similar issue with my old Patrol.
    Your description is a bit different to mine where I would have no power early in the rpm range,
    Spray some contact cleaner in your pedal tps and see if it makes any difference .
    I had mine replaced under warranty
    Thanks Nisshead just had this replaced in a recall had it done and passengers side air bag recall done thanks for you help mate. Waiting for scan gauge then will work from there.

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    Maxhead (19th March 2017)

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    Patrol God threedogs's Avatar
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    @Patrolgrub any up date on your problem???
    04 ST 3lt auto, not enough Mods to keep me happy, but getting there

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    Expert Warwick89's Avatar
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    Quote Originally Posted by Patrol grub View Post
    ZD30 CRD motor. At 3500rpm it like rev limiter is kicking in any ideas please. Have reset computer.

    3500rpm?? is it normal for us CRD owners to have revs that high? mine would be going crazy if i used that much throttle.

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    Patrol God threedogs's Avatar
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    Quote Originally Posted by Warwick89 View Post
    3500rpm?? is it normal for us CRD owners to have revs that high? mine would be going crazy if i used that much throttle.
    Once in a while it wouldn't hurt to give it a rev out?
    04 ST 3lt auto, not enough Mods to keep me happy, but getting there

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    Warwick89 (20th March 2017)

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    SUCH IS LIFE Maxhead's Avatar
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    Quote Originally Posted by Warwick89 View Post
    3500rpm?? is it normal for us CRD owners to have revs that high? mine would be going crazy if i used that much throttle.
    I never change gears under 3500rmp or very rearly...lol. 4000 is my normal gear change rev range







    ...........on the road
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    WARNING: Towballs used for recoveries can, and do kill people and damage property.

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    Quote Originally Posted by Nisshead View Post
    I never change gears under 3500rmp or very rearly...lol. 4000 is my normal gear change rev range

    ...........on the road
    Manual or auto? I have an auto and i would rarely get above 2800, 3000-3300 if I'm really pushing it.
    2010 GU7, ZD30 CRD. ARB: bulbar, scrubbars, rock sliders, roofrack, front and rear air lockers, twin compressor. OME 2" lift, mickey T's ATZ P3 33" tyres x 6, opposite lock rear twin spare rear bar, Wurton 46" light bar roof mounted, draw system, clearview mirrors, redarc gauges: boost, EGt, engine pressure and temp, trans temp, battery. Dual battery system, 12,000lb warn winch, DYI sound/heat proofing.

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    oldbloke (23rd March 2017)

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