[s-cars] Weird boost issue - resolved (maybe?)

[Jerry Scott]

Maybe your boost gauge has a leak.
Jerry

calvinlc at earthlink.net wrote:

>Teddy,
>
>What about a lose solder connection in the ECU?  Something that intermittent
>either sounds like a valve (i.e. WGFV) or electrical.
>
>--Calvin
>
>
>-----Original Message-----
>From: s-car-list-bounces at audifans.com
>[mailto:s-car-list-bounces at audifans.com]On Behalf Of Theodore Chen
>Sent: Tuesday, November 29, 2005 6:34 PM
>To: Robert Myers; s-car list
>Subject: Re: [s-cars] Weird boost issue - resolved (maybe?)
>
>
>bob,
>
>let's see how long that lasts.  every time i fiddled with
>the little hoses going to the moisture trap, the boost seemed
>to be better for a little while and i thought i had fixed it.
>
>i also pondered simply replacing the hoses.  with the
>symptoms my car has shown (going from low to high boost
>during the same acceleration run), i think it's more likely
>a boost sensing issue than a leak in the intake tract.  and
>since fiddling with the hoses to the moisture trap seemed to
>help, i think there may be a leak in the hoses themselves.
>i went so far as to visually inspect the moisture trap itself
>for cracks.
>
>the hose coming out of one side of the moisture trap to the
>ECU is clamped to stiff green plastic tubing.  i imagine that
>replacing this hose should be pretty straightforward.  but
>the other hose coming out of the moisture trap has a crimped
>connection at the other end.  does this end of the hose just
>slide onto a hose barb or something?  did you replace this
>one?
>
>i just want to make sure i know which hoses you're talking
>about.
>
>-teddy
>
>--- Robert Myers <Bob at chips-ur-s.com> wrote:
>
>  
>
>>I'm almost ashamed to tell.  My first thought as the cause of the
>>boost loss was a leak in the MAP line at the ECU/water trap
>>region.  Tore into it and found absolutely nothing suspicious.  Nope
>>- obviously no leaks there.  So what's the problem?  Sticking WG
>>valve?  Failed WGFV?  Well, working on the hoses and replacing
>>everything near the ECU will cost maybe $10 or so and a little of my
>>time and anything else will be over $100 so lets do some cheap
>>"repairs" before I start spending real money.  Thinking they were
>>alright and that I was probably wasting time and effort, I replaced
>>all the rubber portions of the MAP hose anyway and went for a test
>>drive.  YeeHaaaa!  Boost is back!
>>
>>I examined the pieces removed and see no faults but swapping it out
>>gave me boost so...  ????  Either there was a leak there that I still
>>can't find or I somehow accidentally "fixed" something else.
>>
>>
>>Bob
>>Http://Chips-Ur-S.com
>>_______________________________________________
>>S-CAR-List mailing list
>>S-CAR-List at audifans.com
>>http://www.audifans.com/mailman/listinfo/s-car-list
>>
>>    
>>
>
>
>
>
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