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Nissan 3.00 TD Computer Issues

Submitted: Tuesday, Oct 04, 2005 at 16:27

Notso

Just thought this was worth putting up.

I have had the computer replaced three times in the Nissan 3.00 TDI. Engine management system light comes on and diags say ECM Problem replace if it happens again.

Anyhow it had been happening regularly and I ended up at Forbes Nissan and spoke to the Service Manager who referred it to the workshop. Same problem ECM! The foreman reckoned it wasn't a computer problem and he set the apprentice to cleaning all of the Earth connections, including one on the left hand side of the tappet cover which is listed as the earth connection for the ECM. Anyhow after about 2 1/2 hours he gave it back to me and said give it a go. Since then no further engine management lights and truck is running sweeter than I can ever remember it. It has been over a month now so this may be of interest to others who have had ongoing issues.
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ThreadID: 26987 Replies: 4
Views: 774 FollowUps: 2
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AnswerID: 133001   Submitted: Tuesday, Oct 04, 2005 at 16:39

Member - toohey replied:

gid'ay notso
thanks for the info.
cheers toohey
.
Reply 1 of 4
AnswerID: 133066   Submitted: Tuesday, Oct 04, 2005 at 22:18

Lyds replied:

Thanks Notso.

What were your symptoms?

My EMS light flickers on and off while travelling on bumpy surfaces. I had it tested and there were no error codes. I also had the fuel filter replaced, with no difference. Its a bit hard to test as most workshops don't have ready access to a bumpy roads!


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Cheers,
Stuart
A Rental Car: The only true all-terrain vehicle
Reply 2 of 4
FollowupID: 387321   Submitted: Wednesday, Oct 05, 2005 at 09:12

Notso posted:

No, Mine left Error Codes and as in a post below, it was mostly on starting up.
FollowUp 1 of 1
AnswerID: 133070   Submitted: Tuesday, Oct 04, 2005 at 22:52

sav replied:

Had much the same symptoms a couple of months ago.
Engine light would come on when starting up.
City Nissan in Melbourne must have seen it a few times - it was the first thing they tried (cleaning the earths).

Cheers,
Sav.
Reply 3 of 4
AnswerID: 133101   Submitted: Wednesday, Oct 05, 2005 at 08:41

Member - Raymond replied:

I had problems with the computer for the second tank and after much trouble Nissan put extra earth from the chassis to the body and the from there to the engine problem with computer gone, may be worth doing to yours
Ray
Reply 4 of 4
FollowupID: 387323   Submitted: Wednesday, Oct 05, 2005 at 09:15

Notso posted:

Yep, I hear this can also solve the problem of the fuel guages reading inaccurately when you have the Driving lights on as well
FollowUp 1 of 1
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