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 Chris 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.

2 Answers
18,695

munron answered 9 years ago

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.

Mark helpful

Kenneth answered 4 years ago

I just installed a 5 button "mine was a 3" and the temp sensor behind the right headlamp. All works but the boost gauge does not and why? And how do i reset the milage?? 2004 gtp...thanks.

Mark helpful

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