why is my afr showing 0.76???

laziebun · Post by **laziebun** » Sun Dec 23, 2007 11:47 am

well i tryed hooking it up to d10 eld and d12 edrl and still the same out come. Im using LC-1 and i have went to LM program and set the outputs to 0v=7.35 and 5v= 22.39, i also went to sensor and change it to air fuel reading and also went to parameter to closed loop source d12 egrl and also set 0v=7.35 and 5v=22.40 i can not set the 5v to 22.39......So what am i doing wrong it wont show A/F help me please this thing is killing me...and here a datalog of idle shoinf the jack up A/F........logworks2 is showing 14:1-15:1

Post by **Hondata** » Mon Dec 24, 2007 9:51 am

If you have a US ECU then remove resistors R136 and R138. With the LC-1 connected to the ECU check that the LC-1 is producing the correct voltage be measuring between D10 and A23.

laziebun · Post by **laziebun** » Mon Dec 24, 2007 8:35 pm

what is the R136 and R138 for and will i have complication later on if i removed these two resistors????

What do you mean "be measuring between D10 and A23???

RickyLee53 · Post by **RickyLee53** » Tue Dec 25, 2007 5:35 pm

laziebun wrote:what is the R136 and R138 for and will i have complication later on if i removed these two resistors????

What do you mean "be measuring between D10 and A23???

2 resistors on the board need to be cut.

A23 is a ground.

The resistor are only for pin D10 IIRC.

Remember your comparing an AFR to a Lambda ratio.
0.76 lamba is 11.7 AFR on petrol

laziebun · Post by **laziebun** » Tue Dec 25, 2007 6:55 pm

so what do i need to measure with A23 and D10??

Post by **Spunkster** » Thu Jan 03, 2008 11:29 am

You need to measure with a multimeter to see what voltage the wideband is outputting