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  #61  
Old 08-10-2016, 08:10 PM
Ben Ben is offline
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Do I need to order these to have as backup or are there now like 20 guys who ordered extra?
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  #62  
Old 08-10-2016, 10:27 PM
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mikeg205 mikeg205 is offline
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Would not be a bad idea - for example in line pump no longer available.. replacement is different and 420 bucks.
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  #63  
Old 05-08-2017, 10:25 PM
sock-feet sock-feet is offline
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Boat: 2005 Mastercraft X2 MCX White with Silver metal flake
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1997 PS 190 LT1 Corvette has spark and no pulse to the Injectors

OK,

I have a customers boat came in with the fuel pump not working. Wound up being the signal to the fuel pump from the ECU. I rigged the fuel pump with a oil pressure switch to get it running. Now I have spark and no pulse to the fuel injectors. I used a 194 light bulb to put in injector plug to see if it would light and pulse. No signal!

My next thought is one of the crank sensors. I am guessing that one is for spark and one is for the fuel injection. Correct. How do i test crank sensors to rule out ECM. I read that the fuel pump drivers fail in the ECM and the rest is OK.

Hate to do it, but should I just through some Chinese Crank Position Sensors in it? ECM isn't available and probably is the next step after reading this.

Any thoughts?

Would the result of not having working crank sensors not make the fuel pump cycle from ecm?

Help.
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  #64  
Old 05-29-2017, 03:04 PM
sock-feet sock-feet is offline
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After hours and hours of dicking around with this, I found that the Grounds on the back of the Starboard cyl Head were bad causing the ECM to intermittently work.
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  #65  
Old 06-22-2017, 03:29 PM
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CruisinGA CruisinGA is offline
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Guys I am looking to buy some spare sensors "just in case" but it looks like all the links in this thread to buy the Chinese crank position sensors are dead.
I found this one- https://www.alibaba.com/product-deta...621269352.html
But you have to be a registered company to order. Rather not spend the higher prices for the same sensor from the ebay guy in NY since I am in no rush to get a few spares on my shelf.
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  #66  
Old 06-22-2017, 03:32 PM
willg willg is offline
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https://www.aliexpress.com/item/auto...d-b50379897ca0


https://www.aliexpress.com/item/Cran...d-b50379897ca0
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  #67  
Old 06-22-2017, 03:53 PM
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CruisinGA CruisinGA is offline
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Thanks!
4 pieces of China's finest are on the way.
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  #68  
Old 06-29-2017, 11:08 PM
Jcbrdnbrg88 Jcbrdnbrg88 is online now
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CruisinGA, did you end up ordering from each of the links posted above? Or 4 of one kind? My LTR sensors both look the same but one says DR6123 8310 and the other says DR6123 8180.
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  #69  
Old 09-03-2017, 06:42 PM
SmithX30 SmithX30 is offline
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Join Date: Mar 2016
Boat: 2002 X30
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I've been researching for two new CPS. I am in need of two for my 5.7 LTR 2002 X30. The numbers on them are both DR6123 6111. Are the ones being order through aliexpress links above the same and correct ones. Does anyone have a source for two of these? Very much appreciate the help.
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  #70  
Old 10-25-2018, 06:55 PM
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Chunkyd Chunkyd is offline
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Boat: MC, Prostar 190, 1999, LT1
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1999 LT-1 CPS replacement

My CPS are on the top left of the pulley. Is there a trick to removing them or do you just remove the water jacket above them to get the clearance?
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