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On cold starts my engine will die unless I maintain throttle by tapping the gas pedal for at least 30 seconds to 1 minute or more. When i start the z and i dont apply any throttle, the rpms will spike up a little as they do normally (about 1500) but just drops instantly to zero. Now when i do apply the throttle to maintain the fuel flow, its perfect once it steadies out after the 30 seconds or so. Keep in mind guys that this is not limited to just cold days or hot days. This is every time i start her up (except when its already been warmed up/driven on that day). The coolant temp sensor has been replaced, and so has the Air Regulator. The IACV too has been replaced with a working "used" unit. It still has the issue. Please do not tell me to search, because I have. And on a side note, the Engine Oil Pressure on the stock gauge reads abnormally low when it is at idle, or if you are not giving the engine gas. If the oil pressure sending unit was bad, it should read low all the time. Correct? Any suggestions are much appreciated.
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