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Discussion Starter · #1 ·
I installed my autometer electronic boost gauge and at idle it only reads maybe -5 vac and I know it should read at least -14 if not more. Does anyone have any answers to what the problem can possible be?
 

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Does that read in In/HG or Absolute Pressure PSI?
20 In/Hg vacuum = around 4.9 PSI absolute pressure.

Go to this site for a table of conversions:

http://www.engineeringtoolbox.com/vacuum-converter-d_460.html

Of course, if your gauge reads in In/Hg this doesn't solve your problem, but its worth a try. :thumbsup:
 

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Sp3kter said:
bad ground could be the problem. What brand boost gauge?

Boost leak / Vac leak.


Maybe a faulty gauge...

My gauge reads 21 inches of mercury or Hg at idle. At decel it reads around 23 Hg of mercury.
 

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Discussion Starter · #6 ·
It's a autometer 30psi. I have my other gauges going to the same ground and they work fine. I might have a boost leak, yesterday was the first time I started it after sitting since September. Say I check and I have no boost leaks is there anything that it could be?
 

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Panzer said:
It's a autometer 30psi. I have my other gauges going to the same ground and they work fine. I might have a boost leak, yesterday was the first time I started it after sitting since September. Say I check and I have no boost leaks is there anything that it could be?

hard to believe.... but possibly a faulty gauge.
 

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Discussion Starter · #8 ·
eviilboy said:
Panzer said:
It's a autometer 30psi. I have my other gauges going to the same ground and they work fine. I might have a boost leak, yesterday was the first time I started it after sitting since September. Say I check and I have no boost leaks is there anything that it could be?

hard to believe.... but possibly a faulty gauge.
If the gauge is faulty what can I do about it? This guage wasn't cheap, am I going to have to eat it and buy a new one or does autometer have good customer service and exchange policy. I installed this gauge yesterday and drove maybe 10 miles with my car so it's still brand new or pretty damn close to it.
 

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Panzer said:
eviilboy said:
Panzer said:
It's a autometer 30psi. I have my other gauges going to the same ground and they work fine. I might have a boost leak, yesterday was the first time I started it after sitting since September. Say I check and I have no boost leaks is there anything that it could be?

hard to believe.... but possibly a faulty gauge.
If the gauge is faulty what can I do about it? This guage wasn't cheap, am I going to have to eat it and buy a new one or does autometer have good customer service and exchange policy. I installed this gauge yesterday and drove maybe 10 miles with my car so it's still brand new or pretty damn close to it.

I believe they'll exchange it for ya.
 

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dude, autometer FTL.

:hellno:


go AEM Digi-boost.

f.
t.
w.

:thumbupsq
 

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Discussion Starter · #11 ·
I hooked up my stock boost gauge to the vac I'm using for my new one but I did it in the engine bay. The stock read perfect vacuum . My electronic was still reading between -5 and -8 bouncing back and the vacuum line wasn't even hooked up and when I shut the car off the elctronic went back to 0.
 

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Panzer said:
I hooked up my stock boost gauge to the vac I'm using for my new one but I did it in the engine bay. The stock read perfect vacuum . My electronic was still reading between -5 and -8 bouncing back and the vacuum line wasn't even hooked up and when I shut the car off the elctronic went back to 0.
Go to the autometer web site. They have a contact section, so here is the link:

http://autometer.com/tech_faq_askaquestion.aspx

I had questions about my Autometer #4377 gauge, and they responded pretty quickly.
 

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I just fixed this exact same problem on mine. You're probably hooked to a keyec ignition feed that does not keep voltage while cranking.

So it is resetting the gauge during cranking. You must use a 12 source that is not interrupted during cranking.
 

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thepowertowin said:
I just fixed this exact same problem on mine. You're probably hooked to a keyec ignition feed that does not keep voltage while cranking.

So it is resetting the gauge during cranking. You must use a 12 source that is not interrupted during cranking.
i was just gonna say the exact same thing
i hooked one up a few weeks ago and wasnt paying attention and tied to acc instead if ign and it was reading all funny
change your power source and youll be good to go
 

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Discussion Starter · #17 ·
thepowertowin said:
I just fixed this exact same problem on mine. You're probably hooked to a keyec ignition feed that does not keep voltage while cranking.

So it is resetting the gauge during cranking. You must use a 12 source that is not interrupted during cranking.
What's a good wire to hook up to? I think I have mine hooked up to the black wire with white strip behind the fuse panel inside the car.
 
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