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Hey guys have another strange problem with my car. When i first start my car in the morning my vacuum gauge read 20' like a normal reading. but after driving it for awhile, id say like half hour, the vacuum gauge goes up to 5 and stays there steady. it reads boost just fine but it wont come back down to a normal reading. car idles just fine at 800 rpm. but there is some hesitation at part throttle. I inspected my vacuum hoses there all good. now here is the strange thing. When i shut the car down for about 10 mins and re start it it will show a normal vacuum reading but then eventually climb back up to 5'. what does that mean>? thanks in advance
 

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bad gauge maybe... did you try another gauge yet, to see if your is just broken? where is the gauge hooked up, btw.

x2. Can you datalog with a laptop?That will tell you if it's the gauge if you don't have another laying around.
 
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