[s-cars] loss of power, engine shakes

[Calvin & Diana Craig]

If the POS doesn't work check the coilpacks.
--Calvin

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of Vincent Frégeac
Sent: Tuesday, January 13, 2004 7:46 PM
To: 'Konstantine Bogach'; s-car-list at audifans.com
Subject: RE : [s-cars] loss of power, engine shakes


Hi,

If the misfire is still there at idle, there is a good chance it's a
dead POS. Follow the instructions on
http://www.sjmautotechnik.com/S4_Ignition.htm, third section "Ignition
Coil Power Output Stages (POS)". BTW, as it seems it's not mentioned on
this page, the POS are under the black vented plastic cover on the
firewall, on the driver side. If it's a bad POS, you should be able to
cure the problem in less than 20 min, BTDT one freezing morning not long
ago.

HTH

Vincent
-----Message d'origine-----
De : s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com] De la part de Konstantine
Bogach
Envoyé : 13 janv. 2004 17:54
À : s-car-list at audifans.com
Objet : [s-cars] loss of power, engine shakes

Hi.
All of sudden UrS4 '93 lost power, engine shake whole care, barely could

make 1 mile to home.   I hoped that a vacuum hose is slipped out.
No, they all in place.  This car is new to me but I played a lot with
two 200tq '89  I own as well.   Is there anything I should look at
first, more specific than "gas/spark" general approach?
Ok,  I did not pull codes yet.  I will do it tomorrow.

Thank you
Konstantin Bogach.
S4 '93 MTM 3
200tq '89  QLCC 1.8 bar
200tqa '89 QLCC 1.8 bar

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