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#1
11-10-2013, 10:38 AM
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do ICMs go partially bad? 1992 Lumina 3.1 mpfi
For instance could it be supplying spark but not sending necessary signal to the ecm to fir the injectors? Or could a bad connection (loose/dislodged connector, corrosion) also cause such a problem?
Problem started at higher speed acceleration (bucking), but got progressively worse. Car died some time later after 5 minutes of idling, and being put in drive. Has spark, started w/starter fluid, no codes at all, just "12"s, 
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#2
11-11-2013, 11:55 AM
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Re: do ICMs go partially bad? 1992 Lumina 3.1 mpfi
What is your fuel pressure?
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