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Boost :(

A

Austin Brown

New member
Need help only getting half boost but when really cold out get 3/4 boost from stock all i have is intake. Belt is good. BBV is functioning. not sure what else could be besides LIM. any ideas? :th_scratchhead:
 


Checked over all vacuum lines?

Do you have a real vacuum gauge you can use to check vacuum at idle, should be around -19-20.

Also if your LTFT are at 16.4 you have a vacuum leak.
 
Boost control soleniod.

If you had a big leak that could push out that much boost..you'd have one hell of a vacuum leak at idle. If it was lim...you'd hear it whistling/blowing out all kinds of stuff.
 
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