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electronic boost gauge ?

1151 Views 21 Replies 10 Participants Last post by  Mana4real
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?
1 - 20 of 22 Posts
Someone has to have an answer or suggestion.
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:
bad ground could be the problem. What brand boost gauge?
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.
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?
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.
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.
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.
dude, autometer FTL.

:hellno:


go AEM Digi-boost.

f.
t.
w.

:thumbupsq
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.
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.
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.
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
oh you hooked one up tinctorus hahaha you thread stalked
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.
Sp3kter said:
thin blue wire will work
Thanks
Is it the solid light blue wire or does it have any strips?
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