I30tMikeD

iTrader: (8)

Been messing with my defi electronic fuel pressure gauge all afternoon. I keep gettig a leak at the T-fitting. The hose ends are fine, but where the sensor goes into the T-fitting I am getting a pretty bad leak.

I am using teflon paste, the directions say teflon tape...don't know if that is the problem

I tried using the PT-NPT adapter that comes with the gauge and it did not leak for a little while then it started again.

What to do?

I30tMikeD

iTrader: (8)

Just took the fitting apart again and the fuel seems to be disenagrating the teflon paste.....does the paste need time to set?

BlackCat

iTrader: (6)

I've just noticed the wetness too with my sensor. I think you're right about letting the teflon paste set but for how long?

I30tMikeD

iTrader: (8)

I did not let the past set at all...maybe 10 minutes. I think that is my problem. I am going to go pick up some teflon tape as well.

1MAX2NV

iTrader: (5)

I think you need to crank on it more. Oh yeah...what kind of teflon paste? They do make a huge difference. I tried atleast 4 kinds of paste with my nitrous system which exceeds more than 1400 psi. The one that came in a jar with brush worked the best. I got it at home depot. The ones come in the tube wouldn't hold the nitrous pressue even though the spec said it would. I believe the name is Hercules teflon paste.

I30tMikeD

iTrader: (8)

\

I have permatex. It is in a jar with a brush.

Looks like the tape did the trick. I think the paste has to cure. But no leak for now. The car has been running for 10 min and so far so good.

slimer

iTrader: (13)

so it worked? im glad that i could help!

Broaner

iTrader: (10)

I've always wondered why the paste even exists. In what applications can teflon not be used so that a paste would be warranted?

slimer

iTrader: (13)

i heard oil.

pawnstar12

the paste only worked for me when it was able to sit for about a day without any fuel touching it. i think paste sucks &ll's

but i will try that permatex crap next tim

crewchief264

I've never heard of or seen teflon paste!! And I 've been working on cars for 15 years and planes for 6. All I've ever used on either is the tape why stray from what works-- just a friendly suggestion.

I30tMikeD

iTrader: (8)

First time using either. Just read some stuff about the tape getting into the oil lines and backing things up. Thought I was going the "safer route" with the paste. I just think it needs to cure for a period of time not 2 minutes like I did. LOL

DanNY

iTrader: (14)

tape sometimes shread upon tightening...that ends up clogging an injector or some nitrous set up....but if you're careful then you should be ok.