Questions & Answers for: Pontiac how to check boost

...valve, it should snap shut to build boost. Unfortunately without load, it will be brief but a good indicator. If it doesn't close 100% boost will be blead off. Also, check / replace your air

...boost Check the vaccuum lines to the super charger boost control valve located on the back of the supercharger closest to the air cleaner opposite the pully. If you are not getting vaccuum to the ...

...foot off of it. if you have any idea what this may be it would really help me out. Check for a vacuum leak from the inlet and outlet hoses on the boost bypass valve and especially the boost

off. Could this be an issue with the wastegate or control? Verify that the supercharger belt is tight enough...check the tensioner and idler pullies. Then check your vacuum lines on the boost solenoid

...the problem could be? SCAN VECHICLE FOR ANY SUPERCHARGER BOOST SOLENOID FAULT CODES.AND CHECK FOR LOOSE OR BROKEN VACUUM LINES GOING TO SUPERCHARGER BOOST SOLENOID THAT WILL CAUSE NO BOOST

...# is 66 and it says its a "spare" only. What am I missing? you need to have the battery checked, batteries last 4 to 5 years, a dead battery will not

not getting full booste from super charger could have faulty boost solenoid or check all vacuum hoses look for loose disconnect vacuum hose to boost control solenoid.

...MAP sensor which is just left of the brake manifold in the rear/right of the engine bay. check that the engine is getting boost first and then check that the gauge line is connected to the correct ...

...the boost pressure and it is not there and the compressor is good, a valve like a waste gate on a turbo controls the boost pressure. Check to see if it is stuck open letting all the pressure

supercharger not boosting after coupler replacement. What could be causing this? checked vacuum lines and found broken line, fixed and still no boost, however gauge working again. Engine bogging down ...