ms3 basic crank, no spark no rpm signal vvt motor into 94-97 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 01-02-2015, 11:50 PM   #1
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Default ms3 basic crank, no spark no rpm signal vvt motor into 94-97

Hi I'm trying to get the car started. I'm a newbie when it comes to MS3.

It's a 01 vvt swap into 95 miata. It's na and no boost.

The car cranks but tunerstudio reads 0 rpm when cranking. Adjusted CPS sensor to spec and checked spark plugs.

I have checked all of the wirings and ignition setting on tunerstudio is set to 99-05 miata.

Would like to get it started tonight but am struggling through this. Help would be greatly appreciated.

I'm using a base map from Dimitris for MS3 basic right now.
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Old 01-03-2015, 04:09 AM   #2
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Make sure that "Ignition input capture" is set to "Rising Edge" when using 99-05 Miata.
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Old 01-03-2015, 04:48 AM   #3
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Quote:
Originally Posted by Reverant View Post
Make sure that "Ignition input capture" is set to "Rising Edge" when using 99-05 Miata.
yes it's set
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Old 01-03-2015, 05:05 AM   #4
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Please take a composite log and post it here.
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Old 01-03-2015, 10:51 PM   #5
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I just noticed that the tach inside the car isn't moving while cranking.
Attached Files
File Type: csv 2015-01-03_18.45.19.csv (20.7 KB, 42 views)
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Old 01-03-2015, 11:04 PM   #6
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Attached file is the tune.
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File Type: msq CurrentTune.msq (177.9 KB, 40 views)
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Old 01-04-2015, 06:14 AM   #7
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Matt, is this the Basic MS2 with serial #11405?
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Old 01-04-2015, 01:59 PM   #8
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Yes it is
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Old 01-04-2015, 03:04 PM   #9
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Isn't it an ms3?
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Old 01-04-2015, 03:31 PM   #10
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Does it say MS3 or MS2 on the box? The serial number you gave me is for an MS2.
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Old 01-04-2015, 04:20 PM   #11
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Hope this helps.

Thanks dimitris.
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ms3 basic crank, no spark no rpm signal vvt motor into 94-97-image.jpg  
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Old 01-08-2015, 02:11 AM   #12
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We are able to get a cam signal now. The wire for the cam sensor was mixed. We got spark but the car still won't start.

It's back firing a lot. Here's an updated composite log and base map (again). With the original base map cranking parameter, the spark plugs were soaked in fuel and we are thinking that it's too rich. We lowered the values by half. Please note that it's 7 degrees celcius on the iat.

There are still some error codes that I don't understand (refer to screenshot). I'm starting to think that my cam timing is off. I tried unplugging the vvt to start the car but it didn't make a difference.
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ms3 basic crank, no spark no rpm signal vvt motor into 94-97-screenshot.jpg  
Attached Files
File Type: csv 2015-01-07_21.51.31.csv (10.0 KB, 51 views)
File Type: msq CurrentTune.msq (177.9 KB, 46 views)
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Old 01-08-2015, 04:36 AM   #13
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The crank/cam phasing on that engine is wrong. The cam signal overlaps the crank signal. This suggests that either the timing belt timing is wrong or that the crank timing wheel is off.
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