TwinTurbo.NET: Nissan 300ZX forum - engine idles after ingition turns off (Dieseling)
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Subject engine idles after ingition turns off (Dieseling)
     
Posted by Jeankido on January 29, 2013 at 10:04 PM
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Message so after i fix the injector o-ring and run the car for about 2 minutes i turn the ignition off and the engine keeps idling. I read a couple things that make sense how this is happening but what could be causing this issue?

i have confirmed that i have spark on all of my cylinders, the injectors are all firing

when i ran the car for 2 minutes i did notice that i can unplug cylinder 6 coil and not get a change in idle. The car runs like its running on 5 cylinders. Compression test are Lowest 190 and every other cylinder is 10-15 PSI more. Changed all the spark plugs and fired it up again same thing happened. I did cut my injector harness to put the new injector plugs on with the p2 kit. But i confirmed fuel in every cylinder

Any ideas?? could it be my ecu? when soldering i just remembered i didn't unplug the battery

     
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