Bad turbo lag in 1st gear?
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Bad turbo lag in 1st gear?
Hi
I have a 1994 model which is standard other than a blow off valve.
i have a problem with really bad turbo lag in 1st gear
when i accelerate hard the boost seems to dye after 5000rpm but in every other gear the boost seems amazing.
Could it be a need a performance turob cat back exhaust??, or might i need a new blow off valve or even a secondary one?
Thanks
Chris
I have a 1994 model which is standard other than a blow off valve.
i have a problem with really bad turbo lag in 1st gear
when i accelerate hard the boost seems to dye after 5000rpm but in every other gear the boost seems amazing.
Could it be a need a performance turob cat back exhaust??, or might i need a new blow off valve or even a secondary one?
Thanks
Chris
#2
Mr. Links
iTrader: (1)
http://www.autosportracetech.com/RX-...leshooting.htm
"The Turbo Control Solenoid / Actuator is one of the more complicated actuators as it requires both vacuum and pressure to operate properly. This actuator is controlled by two solenoids, (both are wired together to the one ECU output) one solenoid applies pressure to one side of the actuator and the other applies vacuum to the other side of the actuator. With pressure on one side and a vacuum on the other side of the actuator, the speed of the actuator is improved. A typical problem is loss of Secondary boost in 1st or 2nd gear at 4,500 RPM, but reliable operation in other gears. This points to one side of the Turbo Control Actuator not getting it's pressure/vacuum, so it will still operate but not quickly enough."
"The Turbo Control Solenoid / Actuator is one of the more complicated actuators as it requires both vacuum and pressure to operate properly. This actuator is controlled by two solenoids, (both are wired together to the one ECU output) one solenoid applies pressure to one side of the actuator and the other applies vacuum to the other side of the actuator. With pressure on one side and a vacuum on the other side of the actuator, the speed of the actuator is improved. A typical problem is loss of Secondary boost in 1st or 2nd gear at 4,500 RPM, but reliable operation in other gears. This points to one side of the Turbo Control Actuator not getting it's pressure/vacuum, so it will still operate but not quickly enough."
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