tractor Posted April 6, 2022 Share Posted April 6, 2022 is their any place that fuel line plugs like on a n14 cummins they have a cooling plate for coumpter elbow can plug Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-494631 Share on other sites More sharing options...
Onyx610 Posted April 6, 2022 Share Posted April 6, 2022 (edited) Suggest that, fuel pressure should be check under load. Edited April 6, 2022 by Onyx610 Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-494632 Share on other sites More sharing options...
Onyx610 Posted April 6, 2022 Share Posted April 6, 2022 Cooling plate behind ecm Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-494633 Share on other sites More sharing options...
Onyx610 Posted April 6, 2022 Share Posted April 6, 2022 Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-494634 Share on other sites More sharing options...
tractor Posted April 6, 2022 Share Posted April 6, 2022 thanks Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-494636 Share on other sites More sharing options...
tractor Posted April 12, 2022 Share Posted April 12, 2022 not fuel pressure under load codes gone but code 239 came up boost pressure around 27 not 32 used to be 35 thanks Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495049 Share on other sites More sharing options...
tractor Posted April 13, 2022 Share Posted April 13, 2022 on this e7-400 1999 somebody unhooked cooling plate behind ecm, how much control on fueling does ecm have on this mack ,and cooling plate should be hooked up right Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495180 Share on other sites More sharing options...
tractor Posted April 13, 2022 Share Posted April 13, 2022 On 4/6/2022 at 2:57 PM, tractor said: checked all that seams ok some one unhooked cooling plate fuel lines , does ecm have alot to do with fueling on a e7-400 mack 1999, never had a cooling plate unhook be fore computor may get hot . Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495181 Share on other sites More sharing options...
tractor Posted April 13, 2022 Share Posted April 13, 2022 On 4/5/2022 at 8:45 AM, Joey Mack said: 60-100 psi.. on the e7-400 1999 some one unhooked cooling plate fuel lines , so computer would get hot , how much control does computer have over fueling Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495182 Share on other sites More sharing options...
Onyx610 Posted April 13, 2022 Share Posted April 13, 2022 (edited) I can’t answer that specifically….but I do know it’s there for a reason. Haha. My question is why would someone unhook it? Is it plugged up or cracked? Edited April 13, 2022 by Onyx610 Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495186 Share on other sites More sharing options...
tractor Posted April 13, 2022 Share Posted April 13, 2022 i didnt check it yet but was wondering if that getting hot have any bearing on fuel to injetor nozziels tanks Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495188 Share on other sites More sharing options...
Onyx610 Posted April 13, 2022 Share Posted April 13, 2022 2 hours ago, tractor said: i didnt check it yet but was wondering if that getting hot have any bearing on fuel to injetor nozziels tanks Kind of what I was thinking Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495198 Share on other sites More sharing options...
Joey Mack Posted April 13, 2022 Share Posted April 13, 2022 it is a cooling plate for the eecu... it cools the eecu... jojo Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495212 Share on other sites More sharing options...
tractor Posted April 14, 2022 Share Posted April 14, 2022 ya but how much damage would it do unhooked Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495268 Share on other sites More sharing options...
Joey Mack Posted April 14, 2022 Share Posted April 14, 2022 I dont know 'T'.. I can only assume the eecu gets hot... jojo 1 Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495271 Share on other sites More sharing options...
Vmac3 Posted April 14, 2022 Share Posted April 14, 2022 1 hour ago, Joey Mack said: I dont know 'T'.. I can only assume the eecu gets hot... jojo Joey is correct. Its like unplugging the fan on your PC. 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495279 Share on other sites More sharing options...
tractor Posted April 14, 2022 Share Posted April 14, 2022 what program reads and changes parmeters Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495332 Share on other sites More sharing options...
Joey Mack Posted April 14, 2022 Share Posted April 14, 2022 Premium Tech Tool through a Vocomm box... jojo Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495334 Share on other sites More sharing options...
tractor Posted April 20, 2022 Share Posted April 20, 2022 is their a manual for a v- mac iii soft ware Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495715 Share on other sites More sharing options...
tractor Posted April 20, 2022 Share Posted April 20, 2022 have it Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495717 Share on other sites More sharing options...
tractor Posted April 20, 2022 Share Posted April 20, 2022 thanks Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-495718 Share on other sites More sharing options...
tractor Posted April 30, 2022 Share Posted April 30, 2022 got soft ware running Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-496421 Share on other sites More sharing options...
Joey Mack Posted April 30, 2022 Share Posted April 30, 2022 Great !! I hope to see a post saying you fixed it and how? Good Luck T.... jojo Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-496423 Share on other sites More sharing options...
tractor Posted June 2, 2022 Share Posted June 2, 2022 On 4/30/2022 at 11:52 AM, Joey Mack said: Great !! I hope to see a post saying you fixed it and how? Good Luck T.... jojo update truck has bin working for 3 weeks still under powered found green on plug in dash code 239 light not on light works when start it flashes for a second goes out i know trubo boost down butno ieaks any where plate for cooling computer on engine was unhooked replaced that no miss in engine did cutout test seems good is there a whey to fool coumpter into putting more fuel out, Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-499089 Share on other sites More sharing options...
fjh Posted June 2, 2022 Share Posted June 2, 2022 4 hours ago, tractor said: update truck has bin working for 3 weeks still under powered found green on plug in dash code 239 light not on light works when start it flashes for a second goes out i know trubo boost down butno ieaks any where plate for cooling computer on engine was unhooked replaced that no miss in engine did cutout test seems good is there a whey to fool coumpter into putting more fuel out, nope 1 Quote Link to comment https://www.bigmacktrucks.com/topic/20649-adding-a-jake-brake-to-an-e-tech/page/5/#findComment-499107 Share on other sites More sharing options...
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