tafkamb2

Ive been searching for a while but couldn't find what I'm looking for. I bought and autometer boost/vac gauge and I have it installed but I'm not getting a good reading. I was wondering if I had to tie it into a vac line or if I could just put it on the extra nipple on the UIM?
Thanks for the help guys.

Prophet7000

There's typically an open nipple on the top of the passenger side of the UIM, use that bad boy

4CN A1R

iTrader: (6)

mine doesnt read correct vacuum and sometimes boost. i dont know what makes boost gauges read incorrectly or go bad. but its pretty cruital that you get one that reads accuratly

Mahjik

iTrader: (1)

What readings are you getting?

For what it's worth, mine is T'd into the boost (MAP) sensor line.

MAXX65

iTrader: (2)

I know this is a little off topic, but get another gauge. I have a autometer and its always about 1.5 psi more than I'm really boosting. I had my shop check my install and they said i did it right, its just the gauge is off. After some reaserch with some friends I found that most everyone that has had, or still has a autometer gauge has had problems with proper ready.

not all the gauges I checked out where boost gauges.

The only reason why I've stayed with the autometer gauge is because I know that its consistantly off by 1.5 psi. and never any more. (and I perfer to spend my money on there things for the time being)

tafkamb2

Ive read this and I'm ok with that. I was looking for something that matched the stock gauges and I'm fine with it being off that much as long as I know.
And as for what I'm reading it goes down slowly to about 10 inhg and then it stays there thats about it.

Mahjik

iTrader: (1)

So, how do you know the gauge is off? Have you verified your vacuum reading with something else?

tafkamb2

because even when I spool up the turbos it still reads 10inhg and when i shut the car off it still stays there.

zack4173

iTrader: (3)

I have an autometer boost/vac gauge and, I thought it might read high because I have always ran 12PSI even when stock, But even my power FC says im running 12 PSI.

Mahjik

iTrader: (1)

If you rev it in neutral, does it just always stay at 10 inHg? When it's off, where does it rest?

DaveW

When i got my #3376 electronic autometer boost gauge, it came with some really crappy tubing to hook the sender up to vacuum. It looked like it could kink really easily, and I used other tubing instead. Maybe your boost tubing to the gauge is kinked.

tafkamb2

If you rev it in neutral, does it just always stay at 10 inHg? When it's off, where does it rest?
If i rev it it stays at about 10inhg all the time. It rest at 10 and seems like it goes down over time.


I was thinking about that I just havnt had time to get back under the car to check to see if maby I could have kinked it.

Mahjik

iTrader: (1)

So when the car is off, it's not resting 'near' 0? It won't be exactly 0 as there is nothing inside the gauge to make it go completely to 0 when the power is off, but it should be 'near' 0.

Montego

iTrader: (1)

it's your gauge... autometer boost gauges are known to suck. BTW I also have an autometer and yeah it sucks.

Mahjik

iTrader: (1)

I've had one for going on 7 years now. Never had an issue with it.

Montego

iTrader: (1)

Well I guess I should clarify

to the thread starter. Don't be surprised if your autometer gauge is off especially with their lower brand lineup. Some people get lucky and some don't

tafkamb2

so should i send my gauge back?

White94RX

sounds like the crappy tubing may be kinked. I used that tubing to go from the gauge down under the dash, then used rubber vacuum line from there to the intake manifold.

DaveW

Slowly going down over time does sound like a kinked line...

Dave

tafkamb2

When I do have it hooked up the car doesnt run as nice, but I dont see how I could have a leak because i put teflon tape on both of the connectors on the back of the gauge, the part that screws on the gauge and the part that holds the tube onto that part and the other side is ziptied.

DaveW

That doesn't make sense. You'd need a HUGE leak (more than you would have with the boost tubing open to the air) to affect performance.

Dave