Microtech lt10 secondary injector
#1
bassrotor
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lt10 secondary injector
hello fellows I have a problem with my secondary injectors. I when to tuned and is only running on primary, they put the car on idle and setup with all 4 injector and the car didnt get flooded, I put 850cc and then 1200cc on secondary but still the same its getting power on the harnes and connector too. the car runs fine and boost at 13 psi is a 12a turbo but not getting 2dary to work, I have a walbro 255 pump inline fpr at 45psi, 800cc primary and 1200 secondary , I dont know what else to do, thanks and guide will help
#2
Sharp Claws
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you tried the test feature to double check that the secondaries were in fact not firing? you can do it with the manifold off and listen to the injectors by only plugging in the ones you think are not firing. if you have power to the injector then just ohm test the wire from the ground firing circuit down to the ECU connector. if both circuits are fine then just plug in the clip to an injector you know is firing in the primary position to verify a possibly faulty ECU, if it checks out then you may possibly have a faulty ECU so i would then contact microtech about it.
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bassrotor
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yes I plug to injector outside the manifold and it work,thats why I put diffrent size to see if get flooded, but when the engine is running they dont open
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bassrotor
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my tuner said that the when he activate all 4 injector the engine supous to shutt down due to the amount of fuel while is idleling.
but I been going crazy today checking why is doing that, I check my fpr and is a mallory 4309 I did some search on it and find out the is a 3 to 12 psi, but I can understand why my gauge reading 45 psi and when I driving the car for a while read about 25 psi , when is coold down read 45 againg
but I been going crazy today checking why is doing that, I check my fpr and is a mallory 4309 I did some search on it and find out the is a 3 to 12 psi, but I can understand why my gauge reading 45 psi and when I driving the car for a while read about 25 psi , when is coold down read 45 againg
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#8
Sharp Claws
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find a shop that knows what the hell they are doing, the guy who is working on your car has no clue. 25 psi of fuel pressure is way too low and what he is telling you about the injector pairing is BS, the fuel pressure should be around 35-40PSI with the FPR vacuum port unplugged and raise 1 PSI per PSI of boost. if the injectors tested ok and are firing in test mode then he is doing something wrong, period. the injector staging is way out of whack causing a lean transition is what i am guessing too, which is why he is thinking the secondaries are not turning on.
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