[jduran]

frist off i have a 98 supra with a t72 turbonetics turbo and a delgate wastegate. i am useing a hks evc iv to control boost. if i turn the boost controler off the car will run 19psi and wend i turn it on and crank it all the way i only get 23psi. i want to run 30 to 35psi i have fuel upgrade and i am using map ecu i try to reset the boost controler but that won't help if i go with a manual boost controler will that help ????????????????

 

[BlitzTT]

Just something to make sure.... make sure that the switch on the back side of the EVC IV is set for external wastegate and that the vaccum hoses are run correctly...

 

[jduran]

yeah i have check that more than twise but now i am having a problem the car is misfireing i don't know why it sounds like a coil is bad but i check them all and they work is wierd but thaks for the help