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Andygoodbloke Profile
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Date Registered: 10-2017
TOTAL POSTS: 47
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T31 Diesel M9r engine die issue


Hi All.
I have a feeling this could be the EMR valve being clogged, but it could be another issue.

My vehicle is mainly used for short trips, dropping kids off and going to work type thing.

Once I drop the kids off instead of glowing the glow plugs and having an instant ignition, it cranked and cranked, finally igniting into life. This has happened a few times of late.

Also happening twice now is driving in morning traffic doing slow 30-40km/h speeds and going to accelerate, pushing my foot down on the accelerator and no response, so put my foot on the clutch and gave it a rev, only for the engine to die. Luckily I managed to draft int a park on both occasions. I looked under the bonnet and could not see any obvious issue, I was initially thinking it was a fuel supply issue, so checked the pump on top of the filter and that was hard as normal.

I went back to the drivers seat and cranked the engine. After approx a minute of cranking the engine cam back to life and carried on as if nothing had happened.

It is due for a service and want to replace the fuel filter but here in New Zealand they retail for $180 nz.

Has any one else had issues like this? Am I on the right track cleaning the EMR valve? Can I have some suggestions on what it could be.

Thanks
Andy
20/Jul/2019, 1:46 pm Link to this post Send Email PM   Send Private Message Blog
 
Andygoodbloke Profile
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Date Registered: 10-2017
TOTAL POSTS: 47
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Re:


Sorry some corrections - EMR= EGR
please mind my spelling mistakes as not the best at typing and thinking (must think too fast)
20/Jul/2019, 1:55 pm Link to this post Send Email PM   Send Private Message Blog
 
Andygoodbloke Profile
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Date Registered: 10-2017
TOTAL POSTS: 47
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Re: Update


I cleaned the EGR valve. I found it full of oil sludge when I was expecting Carbon deposits- is that normal?
The engine is still hard to crank now and then and I am trying to work out why.
For example yesterday morning on the way out I started the Xtrail diesel up, let it idle while I got my coat on, being mid winter in New Zealand the windscreen was covered with dew, so turned the fan onto high onto the windscreen. This caused the engine to stall. I tried for approx 45 to 60 seconds of cranking in 10 second bursts to re start the engine. When It did turn over and start it is when I released my hand from the crank "start position" kind of a late start which is a sign of lack of earth circuit to return flow to the battery, so will attempt to get the multi meter out and look for voltage drops and amp drops.

Has anyone else had similar issues?
Thanks Andy
27/Jul/2019, 10:55 am Link to this post Send Email PM   Send Private Message Blog
 
Andygoodbloke Profile
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Date Registered: 10-2017
TOTAL POSTS: 47
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Re:


Solution found.
The fuel filter got replaced, it must have had a lump of crud of some kind in the old one which blocked it every now and then.

No faults were found with a diagnostic code reader, which was a bit of a relief, or was it.

I did measure with a multi meter the amps of the negative side on different areas around the engine bay. The body had a very significant drop compared to the motor and around the rocker cover meaning the negative side had a lot of resistance and was not an easy circuit to complete.

To fix this I got a nice thick earthing cable and run it from the negative of the battery to a bolt on the body to run along with what is already there.

Since doing this the engine feels more relaxed and not having to work so hard to do the same job, so could be a good tip for all.
3/Aug/2019, 8:06 am Link to this post Send Email PM   Send Private Message Blog
 


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