2003 Volvo With N14 Celect Plus Having Problems

LyleC · Feb 18, 2017

DUNE-T said: ↑

Where are u located btw? I have a guy here, he is like a truck repair god, but you might be waiting a week to get your truck fixed. He is super super busy and even if you make an appt, you'll still have to wait after getting to the shop.
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LyleC · Feb 18, 2017

Chek the two plug going into the ecm I had the same problem one little tit e on on plug was loose took two days a nonsense to find good luck

Kesha · Feb 18, 2017

LyleC said: ↑

Chek the two plug going into the ecm I had the same problem one little tit e on on plug was loose took two days a nonsense to find good luck
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I have all 3 new plugs installed that go into ECM and even those have been disconnected and replugged once. I see no problem there. Thank you.

Diesel Power · Feb 18, 2017

Pittsburgh Power shop can check your ECM for you. They are experts on ECM.

nasriza · Feb 18, 2017

Message me and I'll reply back with my phone number I have to find the ecm I know I have it in the shop and we'll set up a day

Kesha · Feb 18, 2017

nasriza said: ↑

Message me and I'll reply back with my phone number I have to find the ecm I know I have it in the shop and we'll set up a day
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I did. Thank you.

Kesha · Feb 19, 2017

nasriza said: ↑

Message me and I'll reply back with my phone number I have to find the ecm I know I have it in the shop and we'll set up a day
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I'm sorry for my stupidity just not sure how to send a private massage. Is it under "Conversations"? If so then I established one. Thank you!

Detroit10 · Mar 9, 2017

I replaced the ecm after it had got stolen and it seemed to go away but i also had it reprogramed.

xsetra · Jul 8, 2017

Kesha said: ↑

Having problems with my 2003 Volvo with Cummins N-14 engine and regular 10 speed tranny. Have the truck for 11years and know it pretty well. Engine would cut off after about 3-5 hours of driving. It started about 2 month ago , and seems to happen more often. After first time it happened I was able to drive for 3000 miles with no problems. Starts back in 5 to 40 min. Then shuts down in 10-25 miles again. Sometimes it would just drag for a part of a second but continues to run. Last time somehow I was able to find that driving slower would help to avoid problem so I was able to drive 240 miles on 55mph/90kmh and keeping RPM's around 1250-1300. So I was able to get back home.
Yesterday I drove for 25miles, kept it idle for 2.5 hours while getting loaded and after 10 miles on a way back to yard it cut off on me again right after EPS and engine harness replacement. So it seems that it is not necessary to drive al the time to bring the issue up.
So far I have replaced part of positive red ECM wire that goes from battery compartment together with fuse housing.
EPS- engine position sensor even if the old one showed good resistance on both reels.
Engine harness (goes into plugs A and C of ECM)
Plug of OEM harness that goes into ECM hole "B"
Ground cable between starter and engine block.
What I noticed is that Cummins Roadrelay 4 that I have in a dashboard shows constantly fluctuating RPM's like +20/-20 from average set. I don't feel it on engine noise while idle also not visible on tachometer's needle. It used to fluctuate all the time but only like +5/-5.
When the engine shuts down the onboard diagnostics would say "MID128 Engine controller not responding" Cummins Roadrelay would pop "Data link failure".
At the beginning of this nightmare it used to say "Engine power supply electrical fault".
When the engine comes back to communicating diagnostics would read:
SAE J 1708 data link electrical fault - just on a last occasion.
SID 251 Power supply voltage below normal - on some occasions.
Code 241 VSS Circuit becomes inactive when back to driving.
Also EPS circuit fault after every stop becomes inactive after back to drive
PID 190 EPS intermit or incorr on one occasion became inactive
After 2 drags when an engine shuts down for a part of a second but continues to drive code 343 "ECM failure service soon" showed up and was already inactive.
No problems on a dashboard cluster with lamps, gauges.
What else to look at ECM?, data link? Fuel supply? Timing gear? I would appreciate any thoughts of yours. Thank you!
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Would you share the solution to this problem.
Thanks

Bakerman · Jul 11, 2017

I just had a check engine light come on in my '01 w/Cummins N14. Code came back as a bad ground, tightened all cables and engine grounds. No change, took it back to mechanic and they found a bad speed sensor on the engine. Replaced and everything is good now.

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