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AEM digital boost gauge not reading boost

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Old Apr 10, 2011 | 06:09 PM
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santeller's Avatar
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AEM digital boost gauge not reading boost

I just installed a new digital AEM boost guage and its just reading --- which means it isnt reading boost. Cant figure out why.. everything is hooked up correctly.
Before i email aem i was wondering if anyone has this guage and experienced any problems like this?
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Old Apr 10, 2011 | 06:23 PM
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are you just revving at idle or driving around? the car doesnt build boost at idle. you need to drive around for it to show boost
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Old Apr 10, 2011 | 08:08 PM
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From: Ft. Meade / Severn, MD
I have this gauge, and I am pretty sure that you either have a loose wire or a bad ground. Double check everything. I had this problem with mine and it was because of a wire I spliced got separated.

Originally Posted by thisisagame24
are you just revving at idle or driving around? the car doesnt build boost at idle. you need to drive around for it to show boost
This gauge measures vacuum as well. So it should read -22/-20 at idle, and not ---.
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Old Apr 10, 2011 | 08:32 PM
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Originally Posted by OZ_2435


This gauge measures vacuum as well. So it should read -22/-20 at idle, and not ---.
reading > Me
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Old Apr 11, 2011 | 05:06 AM
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From: cherry point NC
which vacuum hose did you use?
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Old Apr 11, 2011 | 03:22 PM
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I T'ed it off of the hose up front coming from the manifold. same setup as the write up on here.
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Old Apr 11, 2011 | 04:21 PM
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From: SoCal 562
Mine wasnt reading aswell after multiple checks to the wiring. Might be a bad sensor.. Give AEM a call.
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Old Apr 11, 2011 | 05:25 PM
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dumb question about the gauge, but if you turn the car to ACC and let the gauge calibrate should it show 0? mine either shows -2 or -4 does this mean the gauge calibrating correctly?
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Old Apr 11, 2011 | 07:09 PM
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well ive decided to just give them a call and of course they will want me to undo everything i did and send it in...
anyone think im better off just going defi? i either have really bad luck with aem or they really arent all they're cacked up to be.
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Old Apr 11, 2011 | 08:03 PM
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From: SoCal 562
AEM reads better than defi.. AEM has better customer service.

Just my .02
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Old Apr 12, 2011 | 09:46 AM
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From: St. Trollville
Originally Posted by thisisagame24
dumb question about the gauge, but if you turn the car to ACC and let the gauge calibrate should it show 0? mine either shows -2 or -4 does this mean the gauge calibrating correctly?
The gauge is fine, I've had other gauges installed prior and they read the same.

I had the boost sensor go bad in mine, just tell them you checked with another gauge and the sensor is bad and they will send you a new one.
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Old Apr 12, 2011 | 10:08 AM
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Originally Posted by AWDTerror
The gauge is fine, I've had other gauges installed prior and they read the same.

I had the boost sensor go bad in mine, just tell them you checked with another gauge and the sensor is bad and they will send you a new one.
thanks. just wanted to make sure that was normal
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