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Discussion Starter #1
I did a boost leak test. Car holds pressure around 19-20psi depending on gear, but whenever off acceleration it’s reading -26 to spiking vac reading on the gauge (higher than 30vac). Vac normally reads around 20-22. Replaced the sending unit to the boost gauge and new tubing. It’s not all the time, but some times. Gauge reads 0 when off. Need some suggestions on what else to check. No codes, checked with a reader.
 
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