Inconsistent boost readings
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Tuned
Joined: Mar 2007
Posts: 342
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From: South central kansas
Inconsistent boost readings
I recently purchased scanguage 2 and have installed. Also did some exhaust work at the time. When accelerating under hard throttle I have noticed the scanguage reads up to 22psi boost, then instantly switches to -13 psi. Factory guage continues to read over 20 psi. I don't trust factory guages for much, but I find it difficult to believe that I am going from 22+ PSI to -13 psi in 2 seconds. Any one else ever seen this. There may or may not be a very small exhaust leak on drivers side manifold to up-pipe connection. Cannot see or feel anything when running, and bolts are tight.
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derek0525
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UP_There
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