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Old 08-08-2021, 03:53 PM   #1
Dvroofer
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Default Microsquirt start up set up

I have read the manuals over and over and hopefully I have done things correctly to get my wagon running on ms. My set up is a 1991 b230f , with yellow injectors and a block mounted distributor. Any help or corrections are appreciated. I’m new to aftermarket ecus and have gotten this far purely with reading and help from y’all. Thanks again don’t rip me too hard for being a newbie please. I wanted to find out the tuner studio settings for running a distributor. Not really clear in the manual
Thanks

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Old 08-08-2021, 07:20 PM   #2
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Ok so it started fired up an died instantly. Lol. Will do more research not getting a map reading , gotta check I wired it correctly.

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Old 08-09-2021, 08:27 AM   #3
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Need more information. Details on the engine. Attach or link an msq and datalog.
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Old 08-09-2021, 08:48 AM   #4
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raise the required fuel and see if it stays running, if it gets worse, lower it from the initial number
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Old 08-09-2021, 03:55 PM   #5
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Did you remember to swap the TPS for a LH3.1 version, or a 850 version with an adapter block? (Your originally posted pictures showed ~0 kpa and low TPS, which might be from the wrong or miswired TPS.)
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Old 08-09-2021, 07:49 PM   #6
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Did you remember to swap the TPS for a LH3.1 version, or a 850 version with an adapter block? (Your originally posted pictures showed ~0 kpa and low TPS, which might be from the wrong or miswired TPS.)
I’m not running a tps on this for now. Just map, which I just worked out. Not sure it’s all right yet , but….. it starts every time. Still no vacuum reading though. I WILL get this Swedish Meatball rolling with Ms…very optimistic, I feel like I get closer every time I plug it in.

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Old 08-09-2021, 07:51 PM   #7
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raise the required fuel and see if it stays running, if it gets worse, lower it from the initial number
Thanks, that got me idling. Working out the kinks
Getting it at least close is feeling pretty good. Thanks for the help

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Old 08-09-2021, 08:07 PM   #8
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Do you have a wideband o2 sensor?
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Old 08-09-2021, 08:12 PM   #9
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With key on, not running, you can check the MAP sensor voltages with a meter at the MAP connector: across VREF and GND should be 5.0volts, across MAP and GND should be just under 5volts if you're using a GM 1Bar sensor or ~1.6volts if you're using a GM 3Bar sensor.

The MAP sensor and MAP gauge are absolute pressure ~0kPa in outer space, ~100kPa at sea level, ~80kPa here in Colorado. In the Basic Settings/General settings menu, you can either configure it for your Default Barometric pressure (100kPa at sea level), or you can configure it to use the MAP sensor reading before starting the engine for the Barometric pressure. The Vac/Boost gauge shows the difference between the initial Barometric pressure and the current MAP sensor pressure.
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Old 08-09-2021, 08:16 PM   #10
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My second hurdle will be getting my exact timing. I don’t have a lower cover or any cover for that matter . Need to figure a way to fabricate a timing tab.
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Old 08-09-2021, 08:17 PM   #11
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Quote:
Originally Posted by bobxyz View Post
With key on, not running, you can check the MAP sensor voltages with a meter at the MAP connector: across VREF and GND should be 5.0volts, across MAP and GND should be just under 5volts if you're using a GM 1Bar sensor or ~1.6volts if you're using a GM 3Bar sensor.

The MAP sensor and MAP gauge are absolute pressure ~0kPa in outer space, ~100kPa at sea level, ~80kPa here in Colorado. In the Basic Settings/General settings menu, you can either configure it for your Default Barometric pressure (100kPa at sea level), or you can configure it to use the MAP sensor reading before starting the engine for the Barometric pressure. The Vac/Boost gauge shows the difference between the initial Barometric pressure and the current MAP sensor pressure.
I had to check the wiring. Map is now set good. Was a user error. I’m right at 100 kPa now. Full functionality. Thank you for the help. Much appreciated.
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Old 08-09-2021, 08:22 PM   #12
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Glad you're making progress
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My second hurdle will be getting my exact timing. I don’t have a lower cover or any cover for that matter . Need to figure a way to fabricate a timing tab.
With the engine off, you could align it to TDC either with the crank pulley notch, or using a straw in a spark plug hole. When at TDC, use some white paint anywhere to make a 0degree alignment line. I think you can get MicroSquirt to idle (maybe poorly) with 0degree advance. Otherwise, you'll need to calculate the distance 10deg of rotation would be, and add a 2nd alignment line.
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Old 08-09-2021, 08:28 PM   #13
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I can probably do that. Thanks for the help. I do have an adjustable light so I think I can figure it out. Never thought of the straw trick though. Should work
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Old 08-12-2021, 05:43 PM   #14
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update?
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Old 08-13-2021, 05:06 PM   #15
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So, I got everything lined up with a mark on the block. Eventually after thinking about it way to much and wanting to be 100% I’m spot on I went to the junk yard , found a lower cover that was pretty much destroyed and came up with a quick solution to double check everything. Right now it starts great and comes to idle pretty quickly. I’ll be putting this tab on and rechecking everything this evening before I go any further. [IMG][/IMG]

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