Afc

hotrocker89

Member
:
mazdaspeed protege
I have a split second AFC, i have taken it to get a dyno tune up but sadly after the tune up is like the computer restarts itself. Like for a couple of mins it wont run rich or get fuel cuts but after couple of runs goes back to normal and the hesistation. Is there anyway around this? has this happen to anyone?
 
all of the wiring is good on the install. there are no vehicle specific install instructions, all i have found is 'generic' install applications for this specific controller. i did notice that there are two ways that it can be hooked up, as a signal modifier (how it is hooked up now), or you can actually completely eliminate the stock MAF input signal and use the split second as a voltage output (which requires creating a complete voltage table). i have not been able to find much info to see which is the better of the two ways to hook it up, however the vehicle has been on the dyno twice and afr's were tuned to a good mixture, once the vehicle is driven on the street for a short period of time it almost seems as if the stock ecu is trying to readjust the fuel trims. just looking to see if anyone had any vehicle specific install instructions or advice. thanks.
 
i have msp specific install instructions on my pc. pm me ur email i can send em to you
 
no havent try calling them yet, another question im having stalling problems real bad ones too. I have a FMIC so i was told that would of help me with that but is been real bad lately.
 
make sure you are writing to the AFC properly. you cannot save to the unit mid-drive. the car has to be off with key in the on position while the reflash is initiated, active and completed before firing it back up and running it again.
 
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