Home > Technical (L322) > 4.4 TDV8 - Hesitation at 1500 rpm |
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stan Site Moderator Member Since: 13 Jul 2010 Location: a moderate moderated moderator moderating moderately in moderation Posts: 34906 |
anything like this?
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2nd Apr 2020 5:30pm |
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kooky1976 Member Since: 02 Apr 2020 Location: Basingstoke Posts: 6 |
Possibly. It doesn't seem to be vehicle speed related; more so engine speed and at exactly 1500 rpm. No symptoms at any other engine speed.
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2nd Apr 2020 5:47pm |
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Dolphinboy Member Since: 08 Dec 2009 Location: Bristol Posts: 3053 |
did you find the cause of your DPF red? Bmay be caused by an air leak somewhere, either the 4 pipes on the top of the engine (plenum) or one of the inlet manifold's cracked. get a high pressure smoke test done earliest to rule that out. |
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2nd Apr 2020 6:50pm |
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kooky1976 Member Since: 02 Apr 2020 Location: Basingstoke Posts: 6 |
I said this to the workshop and he just pulled a face at me. So I have new symptoms:
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2nd Apr 2020 7:49pm |
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GGDR Member Since: 26 Nov 2016 Location: London Posts: 3519 |
9.9 times out of 10 this is caused by ai intake air system leak.
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2nd Apr 2020 7:55pm |
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kooky1976 Member Since: 02 Apr 2020 Location: Basingstoke Posts: 6 |
Thanks Greg. I will go back tomorrow and push your points.
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2nd Apr 2020 8:11pm |
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Dolphinboy Member Since: 08 Dec 2009 Location: Bristol Posts: 3053 |
I had exactly this on my MY2011 and it was the pax inlet manifold cracked. no codes showing. |
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2nd Apr 2020 8:44pm |
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GGDR Member Since: 26 Nov 2016 Location: London Posts: 3519 |
Steve if you've had it a week that will be for the garage you bought it of to sort.
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2nd Apr 2020 9:14pm |
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kooky1976 Member Since: 02 Apr 2020 Location: Basingstoke Posts: 6 |
Thanks again Greg.
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2nd Apr 2020 10:26pm |
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kooky1976 Member Since: 02 Apr 2020 Location: Basingstoke Posts: 6 |
Just a quick update. The workshop found a lose turbo hose connector. Tightened up and everything seems well. Will give it some testing over the weekend to see if all is well.
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3rd Apr 2020 4:05pm |
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