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Cylinder #2 not firing, could it be the Power stage unit 900 1992

posted by  CarlosR on  Sun Nov 11 15:20 CST 2007
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last visit: Mon Jun 1 15:19 CST 2009
[RELATED]

960 sedan with the b6304 motor, cylinder #2 died 3 days ago, it's running on 5 cylinders now, no spark in cyl 2, I already changed the coil, nothing, swapped the coil with #1 cylinder and nothing happened, I first thought it was an injector and replaced it but then I realized there was no spark.

I got confused because there's 13v in the cables that connect to the coil so I thought there should be spark, but then I took the plug out and grounded it but there was no spark, two other plugs did fire outside.

Could the power stage unit or ignition amplifier that controls 2,4,6 cylinders be causing this, can it fail "partially" and not the entire unit?
I checked all the cables, disconnected and used some connection lubricant but nothing has changed.

I am getting error code 1-1-3 which is like "Injector fail" but they are all injecting, and even after replacing #2 injector (two injectors cannot be bad and there's gas in the piston.

Any ideas PLEASE.....the power stage is $160, very expensive to play with.
thanks a lot





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