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Autos - Cars > Porsche - 944 > Re: HELP: ****s...
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Re: HELP: ****sche 944 no spark

by kludge@[EMAIL PROTECTED] (Scott Dorsey) May 13, 2008 at 10:17 AM

<jonb55198@[EMAIL PROTECTED]
> wrote:
>On May 13, 8:50 am, Steve Austin <saust...@[EMAIL PROTECTED]
> wrote:
>> Is there a pulse at the injectors?
>
>There is plenty of fuel in the rail.  We haven't' checked the
>injectors yet because we were unable to get spark.  So we wanted to
>solve that problem first.  They are unrelated, right?

No.  Both the spark and the injectors are commanded by the ECU.  If the
ECU doesn't know that the crankshaft is turning, it won't fire either one.

If your coil were gone, you would not have spark, but you would still have
plenty of fuel coming out of the injectors.  But you'd have noticed this
if it were the case because the exhaust would have smelled strongly of
unburned fuel.
--scott

-- 
"C'est un Nagra.  C'est suisse, et tres, tres precis."
 




 17 Posts in Topic:
HELP: ****sche 944 no spark
jonb55198@[EMAIL PROTECTE  2008-05-12 20:29:44 
Re: HELP: ****sche 944 no spark
Steve Austin <saustin4  2008-05-13 07:50:16 
Re: HELP: ****sche 944 no spark
jonb55198@[EMAIL PROTECTE  2008-05-13 06:42:59 
Re: HELP: ****sche 944 no spark
kludge@[EMAIL PROTECTED]   2008-05-13 10:17:25 
Re: HELP: ****sche 944 no spark
N8N <njnagel@[EMAIL PR  2008-05-13 06:50:53 
Re: HELP: ****sche 944 no spark
jonb55198@[EMAIL PROTECTE  2008-05-13 06:58:57 
Re: HELP: ****sche 944 no spark
"HLS" <nospa  2008-05-13 08:59:55 
Re: HELP: ****sche 944 no spark
"Andre" <rho  2008-05-13 09:13:45 
Re: HELP: ****sche 944 no spark
kludge@[EMAIL PROTECTED]   2008-05-13 10:18:43 
Re: HELP: ****sche 944 no spark
jonb55198@[EMAIL PROTECTE  2008-05-13 07:10:55 
Re: HELP: ****sche 944 no spark
kludge@[EMAIL PROTECTED]   2008-05-13 10:13:38 
Re: HELP: ****sche 944 no spark
darthpup <amchitka@[EM  2008-05-13 15:57:39 
Re: ****sche 944 no spark
"William Noble"  2008-05-13 23:18:46 
Re: ****sche 944 no spark: SOLUTION FOUND!
jonb55198@[EMAIL PROTECTE  2008-05-14 09:02:28 
Re: ****sche 944 no spark: SOLUTION FOUND!
"William Noble"  2008-05-14 23:01:53 
Re: HELP: ****sche 944 no spark
"Paul Hovnanian P.E.  2008-05-14 11:08:24 
Re: HELP: ****sche 944 no spark
someone@[EMAIL PROTECTED]  2008-05-14 19:04:07 

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tan13V112 Thu Aug 7 17:26:22 CDT 2008.