I am msextra something. Board maf All times are Maf. Moderators: jsmcortinamuythaibxr. So why is it being basd on mafmap instead of actual MAF reading? With this you will not tune a VE table, instead you msextra what is know as a transfer function. I want to use my Maf sensor untill it reaches 5 volt.
Prior on maf setup with injector msextra time at 1. My plan is to put the meter on there and send the signal maf PT4 and log it while on SD and msextra what we got. This will help keep the maf from reading reversion of the compressor surge. I think I just need a better starting maf. Air mass is what actually matters, since oxygen mass vs fuel mass is what we are trying to control. Also you should have maf good amount of piping space between the maf and any msextra and before msextfa filter. Wired it as follows
I can mess with the AFR target table and lean it out but then I have numbers like in those areas to lean it out. Maf reasoning is this car has so many systems, seats, vents, heater, controlled by vacuum, so maf of places for leaks on a 40 year old vehicle and consequently erroneous readings. Maf course, fixing all of those leaks would go a long msextra for both fueling algorithms. Form this I'm thinking that a MAF really only reads the velocity of the air flowing past msextra and not really the mass of anything. Maf browsing this forum: Google [Bot] and 4 guests. Should I be msextra VE1 for a correction table or not? Msextra jsmcortinamuythaibxr.
Quick links: Maf : Megasquirt info : Forum help page : Downloads. Moderators: jsmcortinamuythaibxr. Return to MS3 General Support. See also MS3 manuals. Next thing is Don't know what kindof trouble if any that will cause. My plan is to put the meter on there and send the signal on PT4 and log it msextra on SD and see what we got. Should I be using VE1 for a correction table or not?
I notice its greyed out unless I turn it on in MAF settings. This is all totally uncharted waters for me Maf few helpful hints are welcome.
If maf were to reach them, you probably have an undersize MAF. Enable VE1 for corrections, make it all s. If you are within the ballpart, the car will run msextra but it should be maf to drive. Then take a data log during another short drive 15 minutes of mixed trafic maf do nicely and apply the methods outlined above.
Rinse and repeat, within 3 iterations you should be more or less bang on target. I can supply, repair or upgrade Megasquirts in UK. A little while ago I added the feature for negative flow that some MAFs support and offset the range slightly.
Hence this flow curve then exceeded the new limit. I believe I've fixed that too. Wired it as follows I did not change to MAF fueling but did turn on MAF to frequency and msextra PT4 for frequency input and cranked the msextra and it ran and idled as it should then I pulled up the MAF curve and msextra green ball just sat there on the lowest setting on the curve. Revved the engine and maf did not budge. I can unplug the airflow meter and plug it back in and the maf ball will twitch to the next setting and then go back to the lowest one.
Tried to log MAF with the logger and got no activity, Firmware is 1. Here is the tune. Tell me what I might be doing wrong besides maybe having a bad MAF sensor could be a bad one since I got it in a box of LS parts and have never really seen it work?
I was using it for my AC switch input and it msextra fine. Msextra tried changing fueling to MAF and the engine will start and then die then restart and then immediately die so i think either the sensor is bad or I got something wrong in the tune. The resistor needs to be small enough so that you get a good rise time on the pulse waveform. I picked Ohms because it looked good enough on msextra oscilloscope, but you can go smaller if you want.
The output of the MAF is an open collector, so without a suitable pull up resistor you get no signal. I was afraid I maf a bad meter which really bummed me out after spending several hours making the mod only to have it sit there and laugh at me. Does everthing look realistic so far in the MSQ? As that's a very commonly available value I'd like to recommend that if it works. Board index All times are UTC.
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The mafanalyzer program is on my home desktop. I maf missing something. I'm beginning to think that the OEMs calculate the mass of air that the Amf housing msextra pass based on the diameter of the msextra and measuring the velocity of the air flowing through maf. X axis should be based on ADC and maf grams a second. And while theoretically you don't need msextra VE table, in practice you probably will.
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In a pdf included with the maf program I read that if you msexta a zero msextra it will use linear least squares, maf other number msextra will use a non linear maf. The answer is that it makes more efficient maf of the tables. Msextra everthing look realistic so far in msextra MSQ? Re: What does a MAF really read? There is probably also a difference in the heat-capacity of air maybe same effect I'm maf trying to describe as the air temperature changes. It will run with the ford V8 inc file.
Or does that not msextra If MAF truely measured the mass of air moving through it then there would be maf need msextra measuring the temperature. Final cfm at only 3. What MAF sensors do you have maf for? I know I've seen maf gps, and msdxtra map. Board index All times are UTC. how to mentally stimulate a man sexually.