1990 1.6 ms3x no start
06-11-2014, 06:25 PM
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1990 1.6 ms3x no start
I've been trying for a couple of weeks to get my completely stock motor 1.6 car to start with ms3x. The car is currently getting spark and fuel but i have had no ignition. Here's my current tune, and I'll go ahead and admit that i don't have much of a clue what I'm doing. Hopefully someone here can tell me what I'm doing wrong.
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06-11-2014, 10:12 PM
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I've been trying for a couple of weeks to get my completely stock motor 1.6 car to start with ms3x. The car is currently getting spark and fuel but i have had no ignition. Here's my current tune, and I'll go ahead and admit that i don't have much of a clue what I'm doing. Hopefully someone here can tell me what I'm doing wrong.
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06-11-2014, 10:47 PM
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His name was Greg Thill, he told me it was built for him by you and was supposed to go into a 1990 chassis with a 99 motor swapped but he totaled his car before he could use the ms. Pretty sure that's why he has an Exocet now.
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06-13-2014, 12:08 AM
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I'm not trying to throw the guy I bought it from under the bus or anything, I just wanted to see if brain had any recollection of the guy.
Anyone got any advice for me?
Anyone got any advice for me?
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06-14-2014, 03:41 PM
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Well today I tried running the car with the stock ecu, without the tps or stock 02 sensor hooked up and first turn of the key it started, so I let it run for minute or two and shut it off. Now when I try to turn it back on it will start for just a second and die. I checked the diagnostic box for codes and got code 1 (no ignition pulse) and 26 (charcoal canister). I've tried swapping igniters with my other 1.6 car and it didn't help
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06-17-2014, 12:12 AM
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Haha charcoal canister is removed. The car runs on stock ecu now, didn't change anything, I guess the car was just being stubborn. Can you have a look at my tune and tell me if anything looks wrong?
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06-17-2014, 08:45 AM
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i didn't see anything glaring in the tune.
need to see datalogs of cranking, composite logs of cranking, and confirmation that you're getting fuel and spark with the MS during cranking.
need to see datalogs of cranking, composite logs of cranking, and confirmation that you're getting fuel and spark with the MS during cranking.
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06-24-2014, 04:25 PM
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Update:
So after a little more than a week of running fine on stock ecu the car has decided it didn't want to run anymore. Just messing around I took out the stock ecu and plugged my megasquirt and the car started right up with the afm still connected.
It'll sit there and idle at around 500 rpm and 12.5 afr at idle and if I give it any gas the car stumbles and dies. But I'm really happy right now because it seems this ms might actually work.
So after a little more than a week of running fine on stock ecu the car has decided it didn't want to run anymore. Just messing around I took out the stock ecu and plugged my megasquirt and the car started right up with the afm still connected.
It'll sit there and idle at around 500 rpm and 12.5 afr at idle and if I give it any gas the car stumbles and dies. But I'm really happy right now because it seems this ms might actually work.
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06-24-2014, 09:15 PM
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Another thing is that with the map sensor unplugged the car will start and idle fine but with the vacuum line connected to the megasquirt the car won't start.
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06-25-2014, 08:19 AM
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Typically a car won't run without the MAP line because the tune is too rich at 100kPa. I'd say set the req_fuel to 13.0, sounds like it's still set for larger injectors from the previous install, but Im pretty sure when i looked at your msq it was set to it.
Last edited by Braineack; 06-25-2014 at 08:33 AM.
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06-25-2014, 07:48 PM
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I had to set req. fuel to 20 to get the car to idle, and I can drive it around the block now but it's super rich, and doesn't fuel cut on decel.
This is all still with the afm plugged in, the car will not start with the iat hooked up and fuel pump jumped.
This is all still with the afm plugged in, the car will not start with the iat hooked up and fuel pump jumped.
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