Dr.Diesel
05-07-2006, 01:32 PM
Since there is no "sensor" how does the PCM calculate the duration?
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: How does the ECM measure Closure time? Idle_Chatter 05-07-2006, 03:14 PM I believe it only measures the microseconds that the pulse is timed and created - it "assumes" that the injector internals have cycled as designed in response to the signal. Idle_Chatter 05-07-2006, 03:16 PM Whoops, I see that this is in the 6.5 section. You are talking about the Bosch HPCR, right? Dr.Diesel 05-07-2006, 03:29 PM Whoops, I see that this is in the 6.5 section. You are talking about the Bosch HPCR, right? Thanks, but i'm talking about the Stanadyne DS4 pump. DieselPro 05-07-2006, 04:19 PM This help? http://dieselplace.com/forum/showthread.php?t=19652&page=3&highlight=ECM+measure+Closure+time | ||