Stock Boost Gauge Pic

[mr_crust]

hey guys,

i dont know if im havin issues or not, but when i boost it (9psi) it seems fine but when i back off on the accelerator the part where is goes below the +7 0 -7 it sits on about a -4 (this is in gear)

does that sound right ?? or is it meant to sit on the -7? can anyone take a pic of there car in gear and ideling so i can compare my one

[Ganador]

  mr_crust said:

hey guys,

i dont know if im havin issues or not, but when i boost it (9psi) it seems fine but when i back off on the accelerator the part where is goes below the +7 0 -7 it sits on about a -4 (this is in gear)

does that sound right ?? or is it meant to sit on the -7? can anyone take a pic of there car in gear and ideling so i can compare my one

i know that on boost it would be above 0 and when you back of the throttle it goes into negative cause its creating vacume not boost but i always thought it would sit on 0 on idle.

[mr_crust]

nah on idle its below zero, i jsut want to know what other ppl idel on?

any pics anyone???

[Guilt-Toy]

it should be close to -7 when on idle.

[shif_tea]

yeah around -7 or so. I once busted a vacuum hose to my boost sensor and it started idling with boost guage showing about -4 or so. Maybe check all the hoses for cracks etc

[mr_crust]

ok normally it idles clsoe ot the -7 but it has in the last 2 days moved to -4.

last time i had a cracked hose i had a similiar issue...i might change the hose to the boost sensor and see if it resolves the issue

thanks boys

[mr_crust]

ok i have changed the vaccum hose, can anyone show me a pic of a stock gauge (or even an autometre one) as i have one of these aswell.

[RBFIRE]

Mr_crust,

i am very sure u have a vacum leak somewhere,

i experienced it.

b4 i installed my boost gauge.

First was fine, the needle sitting at near -7, about -6 to be precise, but couple of days, the needle start to climb to -5, and then -4, and eventually it sit near 0 when just idling. I noticed it and decided to check.

It turns out the hose that i connected to the T piece when installing boost gauge, it kinda split, so over time, that split geting bigger and bigger.

therefore i am pretty sure u have got a vacuum leak somewhere that caused the needle to sit closer to 0,

if all in good working order, it should be sit as close to -7 or -6.

I dont have pic rite now, but i can be sure that the stock boost gauge, at idle, the needle should be about 2mm-3mm next to the -7!

Edited March 31, 2006 by RBFIRE