What did you end up doing as far as custom tunes, and did you have to change anything with ambient temp or baro pressure? or is that all done by...
Im having the same issue with my 12.7 detroit I've done everything to the mood and back on it still have this problem. Is the problem your having...
So i did the GM map sensor but ordered one from online, but its a 3 bar. @little cat 500
So I've only been able to find the air intake temp sensor, sits right next to the MAP sensor in the intake manifold. I replaced that sensor...
OK i will try to inspect and try to see if any of those wires are loose on there connections, iI really appreciate your feed back. Thank you...
Really? i mean i get what your saying, but surly there is something that is causing this issue. @Trcknwolf
do you have any recommendations of where to look for custom tuning? @DetroitDudeBro
This truck is missing all the tags on the valve cover unfortunately. Is there any other way i can look this up?
Thank you for explain that, so is that recommended to send out my ECM to a tuner and have them look at it to see if is programed with low NOX? or...
@MAMservices Thank you for the reply, if it were to be the injector terminal connections would that throw any sort of check engine light? Because...
So you'll have to bare with me but, I've been hearing the low NOX quite a bit is that just tuning? i was kind of suspecting tuning for some time...
so do you think that this is a DDEC- 4 ECM that it could be having a problem with this EEPROM? You'll have to bare with me I'm still trying to...
That makes sense now i will look into that once i get the injectors re set and run an over head on it, thanks for your reply this this has left me...
I guess im a little confused by what your saying, when i replaced both of those sensors they were just normal 2 pin plugs with a clip that clipped...
i guess I'm a little confused on what you mean by they don't have a pig tail? when i replaced the 2 sensors the both have regular 2 pin plugs with...
I have a 98 pete 379 with a 12.7 Detroit in it, been having this problem for months now. the problem is intermittent some days its great some days...
