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trying to avoid forking out 1000 for a new ecm 200 1989

Ok, to make a real long story short, I have an 89 240 sedan w/ a check engine light on and two dtc's: 113 fault in fuel injectors and 231 compenstating for lean mixture at cruise. The car runs fine cold, surges and misses when warm. I eventually find a glitch in the signal to the injectors and trace that to the signal wire coming from the ecm, and have verified the signal to the ecm from the ignition module to be good. I am assuming at this point I have a bad ecm and am trying to find a replacement and have two questions.

1. When searching by the part number on my ecm - 0 280 000 556 - the couple of charts I have found indicate that this ecm is actually for a 1988 240. Is this correct? The registration seems to verify the car is an 1989.

2. I have heard of a place Python Injection in S. California that will test an ecm to verify it's condition. Has anyone used this company or heard of them? Does anyone have any better recomendations for diagnosis/replacement of my ecm?
I have seen a few things on the net about volvo 240's having common ecm problems, but they seem to refer to a different ecm part number - 561.

I'm still making payments on this car to my mother in law, so any money saving tips would be very appreciated.


thanks,

josh






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