[s-cars] Troubleshoot a no start issue

[Tom Green]

Brooke,

I'll go with Wylie here, at least for something you haven't swapped  
out yet.  As long as you have the parts available, that's
probably the best troubleshooting avenue you have now.

Tom

> Date: Mon, 9 Jun 2008 13:56:28 +0000
> From: " Wylie Bean " <theringmeister at triad.rr.com>
> Subject: Re: [s-cars] Troubleshoot a no start issue
> To: "Brooke Fairbanks" <bfairbanks at fnbbarron.com>,
> 	s-car-list at audifans.com
> Message-ID:
> 	<1503172883-1213019866- 
> cardhu_decombobulator_blackberry.rim.net-896452675- 
> @bxe148.bisx.prod.on.blackberry>
> 	
> Content-Type: text/plain
>
> Whew that 's a laundry list. At that point I have to almost start  
> thinking ECU or some other related component, loose ground, etc.
>
> Wylie Bean
> 90 cq
> 91 90q20v
> 92 UrS4
> 01 allroad
>
> -----Original Message-----
> From: "Brooke Fairbanks" <bfairbanks at fnbbarron.com>
>
> Date: Mon, 9 Jun 2008 08:04:48
> To:<s-car-list at audifans.com>
> Subject: [s-cars] Troubleshoot a no start issue
>
>
> This is the synopsis of my no start struggles:
>
>
>
> *        With a half tank of fuel and driving the 95 S6 w/ 129K  
> miles, the
> engine hesitates/stumbles then dies.  It refires, but runs poorly  
> then dies.
>
> *        With the car towed back home, I swap the crank speed  
> sensors from
> my other S6 and still a no start condition.
>
> *         Compression is high of 135 and a low of 125 across the  
> cylinders.
>
> *         I verified that the speed sensor pin is still on the  
> flywheel.
>
> *        I swap out the old POS units with known to be working POS  
> units and
> still a no start condition.
>
> *        I swap out the old coils with a 034 ignition loom with 5  
> new 1.8t
> coils and still a no start condition.
>
> *        I by-passed the fuel pump relay to check the fuel pump  
> function and
> it appears to pump fine from the filter line (I did not measure the  
> exact
> volume or measure from the fuel pressure regulator or the  
> injectors)  I
> checked to make certain it was fuel, not fuel/water coming from the  
> tank.
>
> *        I spliced in a CPS and still a no start condition.
>
> *        I replace the fuel filter, spark plugs, crank seal, cam  
> seal, TB,
> serp belt, serp tensioner bearing, H2O pump, T-stat, triple checked  
> the
> timing marks
>
> *        Replaced the fuel pressure regulator
>
> *        Removed the fuel pump basket to clean the screen (very  
> small amount
> of tiny debris)
>
> *        Replaced the fuel pump
>
> *        Checked the fuel to the fuel rail (gobs of pressure spray)
>
> *        The motor fires very intermittently but still does not start
>
>
>
> Any other suggestions?
>
>
>
> Thanks!
>
>
>
> Brooke Fairbanks