my boost gauge doesn't work it lights up but doesn't show any boost at all. I've replaced the solenoid and the boost actuator. Sometimes while I'm driving it'll reach full boost randomly

Asked by Mar 04, 2015 at 12:23 AM about the 2000 Pontiac Grand Prix GTP

Question type: Maintenance & Repair

I've checked for vacuum leaks. Replaced
boost bypass valve and boost control
solenoid. Will try coupler next.

1 Answer

4,195

Save your time and money, its not the coupler. Sounds more like some sort of electronic problem if the gauge is reading randomly like that.

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