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Subject:Re: start - won't sart - solution
From:mark drillock
Date:Fri, 22 Aug 2003 21:40:19 -0700

Check the injector spray pattern while you are cranking the engine.
There should be no spray with just the key on and then it should spray
in pulses as you crank the engine with the starter. Page 24.56 of the
latest Bentley covers testing the injectors in 86+ models.

You can pull the 2 injectors on one side of the engine pretty easily
while leaving the wires and fuel hoses connected. Remove the bolt
between the 2 injectors. Then pull the injectors out of their holes.
Then have someone turn on the key while you watch the injector tips for
the proper behavior as described above. If they spray constantly when
the key is on then the ECU is likely bad as this is one of the ways it
is known to fail. If they spray a pulse on and off only while the engine
is cranking the problem may be somewhere else.

Be careful and have a fire extinguisher ready just to be safe. Only test
this way for a few seconds.

Mark

Joseph Fortino wrote:
>
> guys I've done the following and still have not start.
>
> 1. cleaned all grounds good
> 2. new fuel filter last one was dirty
> 3. checked the fuel pump have pressure.
> 4. replaced temp2 sensor.
> 5. new plugs wires and plugs since mine were a bit used.
> 6. looked at ECU for burnt parts found nothing. ( but maybe it would'nt show )
>    the prob by looking at it.
> 7. checked spark on all 4 and have good spark.
> 8. cleaned distro cap.
> 9. my hall is semi new
>
> some reason it just cranks and does'nt fire up, poor thing drips gas outta
> the pipes after. could my injectors be bad or maybe my ECU took a dump, but
> i'm tring like hell to not swap it until i know its bad.
>
> help elp help elp :) next place i might hit will be for beer so i can
> sit and just drink in the dark
>