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#1
11-27-2016, 08:24 PM
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1997 3.1 Lumina ECM?
Mine started running rough intermittently and progressively got worse. I've checked and/or replaced most every thing MAP, MAF, EGR, TPS etc... This weekend the fuel injectors. Now it's throwing a P1200 trouble code.
I'm wondering if its the ECM? can these be checked?? 
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#2
11-28-2016, 07:49 AM
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Re: 1997 3.1 Lumina ECM?
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#3
11-28-2016, 05:50 PM
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Re: 1997 3.1 Lumina ECM?
The code refers to the fuel injection control circuit. This could mean your fuel injectors are going bad, so that's one thing to look into. The part that makes this difficult is the fact that luminas from that final generation were often electrical basket cases. So other causes could be the wiring harness getting all f*cked up resulting in short circuits and other things of that nature, so you may want to check the wiring harness. You asked about the ECM... there's a distinct possibility that there's a problem with that as well.
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"Ok, systems check; the battery is discharging, the oil temperature is very high, the oil pressure is very low, the engine temperature is off the end of the scale, I'm running out of petrol... but the clock is correct!" -James May, in an old, worn out Lamborghini purchased for less than £10,000. 
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#4
11-28-2016, 07:29 PM
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Re: 1997 3.1 Lumina ECM?
Thanks for the replies. I guess I'll just dig in!!!
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