Re: sucky idle problems with the Mad Max turbo roc

["Alex Ting" <alext@nu2u.net>]

well, I didn't do anything with the mixture at all, so I figured
it would be running lean with the turbo if anything.
The O2 sensor circuit was checked, and I replaced the sensor
just in case.
Just for kicks, let's assume this isn't a turbo motor for a bit....
What would cause these symptoms in a N/A car?
It's strange that it will idle when cold, but when I rev the motor,
it will go back to idle and then drop down slowly and die over
about 5 seconds.  Kinda like it's slowly choking... :)

btw, any and all help is appreciated coz this problem is driving me
nuts!

Alex Ting
Account Manager
Millennium Solutions Group, Inc.
575 Menlo Dr. #4
Rocklin, CA  95765

Phone:  888.801.2001 ext. 228 or 916.630.2001
Fax:  916.630.2000
email:  alext@nu2u.net
icq #19613213
-----Original Message-----
From: Craig Williams <roccolister@hotmail.com>
To: Alex Ting <alext@nu2u.net>; scirocco list <scirocco-l@scirocco.org>
Date: Tuesday, April 04, 2000 10:59 AM
Subject: Re: sucky idle problems with the Mad Max turbo roc


>Not that I know anything at all about a turbo engine, but I've had a
>bouncing idle on my Jetta that would eventually die when idling. My problem
>was fixed when I had the mixture properly adjusted. It was running too
rich,
>and that was fine when cruising, but it made it tough to idle. That lead to
>the Catalytic converter going bad and then it clogged my exhaust, starving
>me of power.
>
>I replaced the Cat, had the mixture properly adjusted, replace plugs, wires
>cap and rotor and now everything is fine.
>
>Is it possible that you cranked up the mixture to dump extra gas into the
>engine for the turbo? If so, maybe it's trying to idle with liquid in the
>cylinders and you need to lean it out a bit.
>
>Like I said I don't have any experience with turbos, but let me know if I'm
>on the right track with this recommendation.
>
>Craig Williams
>1981 SciroccoS 2008cc 16V (disassembled in the garage)
>1987 Jetta GLI 16V (Daily Driver)
>1991 Passat Wagon 2.0 16V (For the Wife)
>
>----- Original Message -----
>From: Alex Ting <alext@nu2u.net>
>To: scirocco list <scirocco-l@scirocco.org>
>Sent: Tuesday, April 04, 2000 9:39 AM
>Subject: sucky idle problems with the Mad Max turbo roc
>
>
>>
>> ok, so after much deliberation, I've decided to pose my current
>> problem to the list....
>>
>> The car in question is my '83, 1.8 JH and BAE turbo.
>> After installing my turbo, the car ran pretty well for about two
>> weeks.  And then my buddy drove it and I've been having problems
>> ever since.  There is loss at the top end, and the car won't hold an
>> idle.  I took the car in to a shop, and they proceeded to tell me the
>> injector seats were loose and the O2 circuit was faulty.  It was fixed,
>and
>> I drove the car home with no problems.
>> But the next day, the problem was back.  So what happens now is that
>> the car will idle when first started up cold, and then when it's revved
it
>> will
>> die when it goes back to idle.
>> Any ideas or good diagnoses procedures?
>>
>>
>> Alex Ting
>> '86 zender z400 roc
>> '83 mad max turbo roc
>> '97 ducati 748 monoposto
>>
>> Account Manager
>> Millennium Solutions Group, Inc.
>> 575 Menlo Dr. #4
>> Rocklin, CA  95765
>>
>> Phone:  888.801.2001 ext. 228 or 916.630.2001
>> Fax:  916.630.2000
>> email:  alext@nu2u.net
>> icq #19613213
>>
>>
>> --
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>>
>>


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