So my stock boost gauge looks like this with Key On Engine Off:
Things I have already done with no change:
1 Used an aftermarket boost gauge/vacuum gauge. Cluster shows about 7psi on full boost. The aftermarket gauge was near 10psi. (normal w stock boost solenoid) Vacuum was where it should be. 2 Swapped a good known under hood boost solenoid / box Took the solenoid that was on a car working (showing proper boost AND when key on engine off on the other Z showed 0 too) Also connection was good. 3 Replaced the ENTIRE vacuum line to the plenum and boost gauge solenoid/box I am thinking the issue is the gauge itself in the cluster, and its really not worth pursuing to remove the entire cluster , but could If I had to .. anyone else familiar with this?
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