Re: [T3] Even Still Can't Get It Rigth With The New FI Parts In

["Jim Adney" <jadney@vwtype3.org>]

Suck on the pressure sensor: Does it hold vacuum? It should.

Try a different pressure sensor.

Try a different brain.

Do you have a proper matched set of 71 parts? (I can't remember if 
I helped you with these or not...?)

Jim

On 30 Aug 2001, at 15:39, Mark Healey wrote:

> Throughout this saga people were telling me to check things that I had
> checked earlier on.  So here is a complete description the problem.  I
> hope someone can come up with something else to check before I start
> spending a bunch of money swapping out parts.
> 
> P.O.  had a mix-n-match FI system in there.  I couldn't
> ajust anything right.  I put in all 71 parts and it is alot
> better but still not right.
> 
> 
> The problem:
> 
> Power and mileage are low and there is black smoke in the
> exhaust.
> 
> What I've checked or ajusted.
> 
> Fuel Pressuere is 28 psi
> 
> Charging voltage is 14.0
> 
> Valves are ajusted.
> 
> Dwell is set with the feeler guage.
> 
> It is timed.
> 
> Compression is 100 all the way around.
> 
> All spark plugs were blackened.  Now cleaned and gapped.
> 
> Idle is 800.
> 
> Primary MPS winding is 100 ohms.
> 
> Secondary MPS winding is 350 ohms.
> 
> Temp sensor 1 is 300.
> 
> Temp sensor 2 is some value I forgot but I wrote "OK" in the
> book.
> 
> What's left to check?
> 
> Someone suggested that the cold start valve or injectors
> might be leaking.  I doubt this becaue it was running lean
> before I put in the new parts.
> 
> It was taking a while to start and then ran smoothly.  Jim
> suggested that there was a leak in the fuel lines but I
> think the air got in when I put on and removed the pressure
> guage.
> 
> Mark Healey
> 71 FI auto square
> 71 FI manual square
> marksvw@healeyonline.com
> 
> 
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*******************************
Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA
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