MicroSquirt.com read only forum (Jan.15,2018)

thanks, i dont know if the sensor is - or+ but i tried it hooked up with and without the resistor in series no rpm signal either way. i also tied it with the sensor - to chassis ground and optoin-. if i run it to chassis ground should optoin- also be grounded or not used? i am only running the one ...

hi iwas running a harley sportster fuel only and having some trouble with the rpm signal from the crane ignition dropping out intermittently. i put in a stock type cam sensor 3 wire 12 volt hall effect planning on running cop directly off the microsquirt.looking at the wiring manual i believe i need ...

hi, i am running a sportster fuel only as well i was running the rpm input to optoin+ from a crane hi-4 tach output. on datalogs the rpm would drop out to 0 intermittently making it difficult to tune. i switched the input to my coil negative terminal with worse results after switching back to the ...

hi i made a data log showing my rpm signal dropping out . my signal comes out of my ignition module on to pin 30 optin+. then i changed it to my coil negative and datalogged that [worse]. then i changed it back to ignition module tach lead now i dont get a rpm signal in tunerstudio at all. i ...

thanks again i got my map issues fixed i think i got the idle tuned pretty well also but i have a new problem my tach signal is coming out of a crane hi-4 ignition system and it doesnt seem very stable sometimes when the engine is running the rpm guage in tunerstudio drops out to 0 then comes back ...

I viewed the last post, my sensor reading key on engine off is 2.806 v. With my vacuum pump at 28 inhg is .29 v I can't draw anymore vacuum to get it to 0 v and I don't know what Kpa that represents between -90 kpa & -100 kpa. Also I don't know the exact kpa at 5 v. The only place that I can find to ...

hi i got my msq i also noticed that my idle pw is high 12-13 ms any tips greatly appreciated my map is a denso 079800-5410 ps-4a if anybody knows what to set my map values to.none of the values in tuner studio gave me a koeo reading of 100kpa can you backprobe the sensor and put in the value at 2 ...

sorry i didnt get my msq yet my bike and tuning computer are at a different location in the country ( no highspeed internet ). i was there this week end but forgot my usb stick. i adjusted my tps and got the closed adc count to 80 open 980 so now i have plenty of range and resolution and my guage is ...

thanks for the info . as a automotive tech im used to -40 being the default. the map sensor reading changes fine with my vacuum pump and also gets the bike running but should it not read 100kpa not running also i am good with engines but computers not so much how would i go about posting my msq. the ...

hi i am running microsquirt 2.888 in tuner studio i have a few issues. the vehicle is a 79 hd spoortster with a hand fabbed intake and fuel system. it has a suzuki sport bike fuel pump 45psi internally regulated ,ford windstar 3.8 injectors a turbo chev sprint throttle body now the questions 1 .my ...