Hey guys Ive tried doing this,and it wouldnt work. Said the pid I have selected is n/a, and wouldnt display it since it is n/a. Any ideas? I can see the mpg pid in the data, but it reads n/a?
Hey guys Ive tried doing this,and it wouldnt work. Said the pid I have selected is n/a, and wouldnt display it since it is n/a. Any ideas? I can see the mpg pid in the data, but it reads n/a?
Has anyone used the MPG calc pid with big injectors? The equation should account for the injector size, but some people are saying the pulse width might be too low with big injectors. I cruise at 3.2ms and idle at 2.1ms. They are 72# @ 3bar Bosch injectors from FIC. According to the calc pid, my cruise fuel economy went from 19-20mpg with stock 25# injectors to 12-13mpg with the 72# injectors. The actual fuel economy appears to be much lower as well. Just trying to figure out if an error in the calc pid is partially to blame. Here is mine:
MPG(mi/gal) = {SAE.VSS.mph}/({GM.INJFLOW.lbpm}*(({GM.IBPW1}+{GM.IBPW1})/2)*{SAE.RPM}*4/6073)
Last edited by ferocity02; May 16th, 2013 at 05:37 PM.
2001 Silverado 5.3L ECSB 2WD T56:
T76 turbo, Meth injection, 72# injectors, 799 heads, 212/212 114LSA cam, Built 4L80E, 3.42's
EFILive V1 Commercial, COS5 2-bar SOLSD, AEM wideband
What is the purpose of this PID and 2 "GM.IBPW1" then divide by 2?
"MPG(mi/gal) = {SAE.VSS.mph}/({GM.INJFLOW.lbpm}*(({GM.IBPW1}+{GM.IBPW1})/2)*{SAE.RPM}*4/6073)"
Also looks like the weight of fuel has changed from 6250 to 6073? Could this be an E fuel adjustment?
2001 Silverado 5.3L ECSB 2WD T56:
T76 turbo, Meth injection, 72# injectors, 799 heads, 212/212 114LSA cam, Built 4L80E, 3.42's
EFILive V1 Commercial, COS5 2-bar SOLSD, AEM wideband
Shouldn't that be "(({GM.IBPW1}+{GM.IBPW2})" notice 1 and 2... the origianl is 1 and 1... ?