Fitech efi tuning forum electronic fuel injection tuning for automotive applications. I keep losing tach signal to my holley terminator.
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Fitech no rpm signal. The engine will not start or run without an rpm signal. Tapping blue tach signal wire on 12v battery terminal as suggested by fitech technician to check for rpm signal. I had the holley terminator running and it had settled into a nice idle. We are leading providers of fuel systems and ultra ram sbc efi. We reach almost all horsepower endeavors. Divine speed team 7928 views.
Maybe the fitech isnt getting a clean signal since the tach is also using it. When i tried to restart it i was not getting a tach signal stl on the handheld while cranking. It did not sputter of hesitate it just died. I have a summit ready to run distributor with the summit recommended coil. The engineers at fitech have made an art of building efi systems that are designed to upgrade carbureted daily drivers and race vehicles. This is a forum where users share their knowledge and information about maintaining and tuning the ready to run fitech fuel injection kits to squeeze the best performance and economy out of their engines.
It will burn the prime shot but i can see that no other gas is. You should see something like 300rpm while cranking. Yesterday i was trying to get my car running again and am having trouble getting a rpm signal to the fitech. White fitech wire is getting voltage during start. Theyve enabled going to fuel injection with the least obtrusive modifications from the cars original configuration. 300 big six efi 3 on the tree uncut rears with a 3 body lift and 35 bronco.
Rpm noise fitech troubleshooting. My blue fitech wire is on the coil negative post and im getting spark to the distributor. At least thats what i get from what broncoman82 is saying. Rpm is the 1 input that a speed density system must have in order to run. Fitech fuel injection has been supplying automotive products specifically fuel injection products since 2012. If you have no rpm signal then you need to check the wiring for it.
It was up to the operating coolant temp of 160 degrees then it just diedquit. Fitech go efi power adder blown big block boost supercharger 30004 duration. Our folks have several options from basic to completely trick. So for trouble shooting disconnect the tach and connect the fi pickup wire directly to your tach signal wire. They offer everything to successfully swap over to digital fuel squirting and even offer products designed to simplify the install.
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