What causes erratic boost?

What causes erratic boost?

Oscillating turbo boost pressure If your turbo boost drops quickly or rises quickly without the application of the throttle, it could be caused by a blockage in the wastegate or a broken wastegate hose. If this is the issue, it’s likely that you’ll have to replace the wastegate hose.

How much boost can a stock Saab 9 3 handle?

The stock turbo itself can go up to 18 pounds of boost but you need a boost control for that and also if you are going to run 18 pounds of boost you would nheed to redo your timing and customize your manifold etc to accompany the extra horsepower or your engine will blow extremely easily.

What causes turbo vacuum?

Vacuum is generated only when the turbo is spinning. Typically, the area before the turbocharger is where the vapors from the crankcase are fed into the engine. Some turbocharged engines will feed crankcase vapors to the intake manifold with a bypass valve when the turbo is not creating enough vacuum.

Does turbo boost increase FPS?

So yes, in some cases it’s will let the game reach higher FPS, but maybe only a 10–20 FPS boost. Sometimes, in some games. All “turbo Boost” actually does is “overclock” the CPU dynamically by sending higher voltage into it so the clock speed can be raised.

How to troubleshoot a turbo / boost problem in a car?

Watch Charge Control Actuator work each time Watch Turbo Control Actuator work each time, (need to crawl under the car to see this one) Check Pressure Tank’s pressure storage ability with engine off Pull off one of the hoses of Pressure Tank Should hear air leaving tank (pressure), re-attach hose. Road test with boost gauge

Can a boost leak tester be used on a turbo?

Using a boost leak tester, you don’t need to start up the car or need to charge up the turbo. In fact, the machine does all the work by itself by pressurizing the system just like a turbo spool. All you need to do is remove the turbo inlet an attach the tester in its place.

What should I do if I have air leak in my Turbo?

New hoses will also help, but usually tightening the hose clamps is enough. A sign that there is air leakage is the presence of oily dirt on the aluminum casting around the hoses. New hose-clamps will set you back about U$10 maximum for good ones. Primary Turbo Inlet:

Do you need a secondary turbocharger to fix a primary turbo?

You first need to get the Primary Turbocharger working before attempting to fix anything on the Secondary Turbocharger. The Secondary Turbocharger requires the Primary Turbocharger to generate more than 8 psi to operate actuators that control the Secondary Turbocharger. Primary Turbocharger Leaks