[V6-12v] FW: Non-Starting Car

[Kent McLean]

Casimiro Izquierdo wrote:
 > I had the VW dealer do a scan and found that,
 > as all of you pointed out, the cam position sensor and the electronic
 > coolant temperature sensor (ECT) were bad.
> 1) Where are these three sensors located in the car?

Look here:
<http://www.12v.org/engine/index.php?section=cl&view=rear>
and here:
<http://www.12v.org/engine/index.php?section=cl&view=front>

> 2) How do I proceed to change these sensors, any tricks on disconnection
> and connection - pull this tab so, or, no pliers, etc.?  

Some of that is covered here:
<http://www.12v.org/maintenance/index.php?section=ht>

I don't think a bad ECT will cause the car to fail to start; run rough, yes,
since the ECU would think the engine is at one temperature when it is really
at another, causing a richer/leaner mix. Replacement instructions here:
<http://www.audiworld.com/tech/eng108.shtml>

A bad CPS will cause a no-start. On some Audis (urS comes to mind) it is
behind the cam, which can be problematic.  But I found this on the V6. It
sounds easy.
<http://forums.vwvortex.com/zerothread?id=3768533>


> 7) Does anyone know how to start this car when it fails?  Hit this here,
> pull that there, push it, etc., I need to get it into the garage and
> even cold, it would not start this morning.

There is no magic bullet. You need the diagnostic codes to find
out why the car won't start. When you replace those parts, it
should start. In a pinch, the old stand-by of checking for fuel
(empty tank?) and spark may help.

-- 
Kent McLean
1990 V8 w/5-speed and other mods
1991 200 TQA #3, with mods
1999 A4 Avant, V6 Tiptronic
gone: '91 200 TQA x2, '94 100 S Avant, '89 200 TQ "Bad Puppy"