More fuel injection clues

[Bernie Benz]

You have obviously had the injectors out. Have you moved a “bad”  
injector to another cylinder to see if the fault follows the move?

Let me know if you need to buy or borrow another ECU.

Bernie

On Dec 15, 2011, at 4:51 PM, Jay Kempf wrote:

> I got a nice little red 12v 20MA panel mount LED from Radio Shack  
> today.
> Plugged it into both #4 and #5 harness and I got a clear light when  
> I turned
> the ignition on and I got nice engine speed pulses when I started  
> the car.
> So now I am completely confused. Is it possible to have an  
> injection signal
> that is there but not high enough amperage to fire the injector?  
> When I test
> the injector on the bench it will not fire with the power supply on  
> the 2A
> setting but it will fire on the 6A setting. All the injectors fire  
> and pass
> fluid when I engage them.
>
> Moderately baffled at this point. Can't make a decision to buy an  
> ECU, can't
> find the problem. Spark looks nice and strong and white on all the  
> plugs.
>
> I guess I am going back to check compression again. Front three  
> firing fine.
> Rear two if I pull the injector harness I get no change. I am  
> getting "OK"
> on the dash as well so I think that means the ECU is communicating and
> happy.
>
> I always get puzzles. Might be able to swap a brain to see if it  
> makes any
> difference tomorrow.
>
>
>
> jfk
>
>
> -------------------------
> Jay Kempf
> jkempf at madriver.com
> 802 272 5868
>
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