Engine ran great then died, now floods but has spark! help?
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Read the manual to see if your question is answered there before posting. Many users will not reply if the answer is already available in the manual.
If your question is about troubleshooting, configuration, or tuning, you MUST include your processor type (MS-I or MS-II) and code version in your post. If your question is about PCB assembly or modifications, you must also include the main board version number (1.01, 2.2 or 3.0).
If you have questions about MS1/Extra or MS2/Extra code configuration or tuning, please post them at www.msextra.com Such questions posted here will be moved to: a temporary MSextra sub-forum, where they will be removed after 7 days
The full forum rules are here: Forum Rules, be sure to read them all regularly.
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nathanklein
- MegaSquirt Newbie
- Posts: 24
- Joined: Sat Mar 05, 2011 8:19 pm
Re: Engine ran great then died, now floods but has spark! he
I have corrected the table (newbie mistake) and I will try it again tomorrow. I have checked all the connections to megasquirt and everything checked out. I did change the spark dwell to 1.5 MS as suggested but a writeup on DIYAutoTune about TPI and megasquirt. Also I did have my ignition set to "rising edge" for the capture and I changed it earlier today (as in the write up) and it still had the same problem. Could that have fried something in megasquirt? also I am going to run a direct wire to coil and see maybe its not getting enough current or maybe a bad ground. I tested it earlier but after reading more it maybe a problem in the ignition switched positive. Thanks for all the help so far. I know Im close!!....not really.
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Matt Cramer
- Super Squirter
- Posts: 2951
- Joined: Sat Jul 03, 2004 11:35 am
Re: Engine ran great then died, now floods but has spark! he
By "the same problem" do you mean the timing is still jumping around? If so, please post a new log and MSQ.
If you do not mean jumping timing, please explain what, specifically, the current problem is.
Also, the ignition input capture should be "rising edge" if not using our HEI mod kit setup.
If you do not mean jumping timing, please explain what, specifically, the current problem is.
Also, the ignition input capture should be "rising edge" if not using our HEI mod kit setup.
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nathanklein
- MegaSquirt Newbie
- Posts: 24
- Joined: Sat Mar 05, 2011 8:19 pm
Re: Engine ran great then died, now floods but has spark! he
Well nothing fixed it. It does idle but still extremly unstable. I messed with everything. Engine however is getting up close to 200F and it never got that close because I have a 160 thermostat. I know its curculating but it seems like its running hot but the Fuel ratio is about 14-15 but thats off the back of the turbo in the down pipe. I unpluged some of my injectors while the engine was running and a few didn't make any difference to the engine RPM. I wonder if on of my injectors is stuck closed and it limits the fuel on all the other cylinders causing them to lean and get the engine hot, compensation for the 14.7 goal afr???? maybe??
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Matt Cramer
- Super Squirter
- Posts: 2951
- Joined: Sat Jul 03, 2004 11:35 am
Re: Engine ran great then died, now floods but has spark! he
I would check your spark plugs first, see if some of them are fouled as this can cause dead cylinders like you describe.
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nathanklein
- MegaSquirt Newbie
- Posts: 24
- Joined: Sat Mar 05, 2011 8:19 pm
Re: Engine ran great then died, now floods but has spark! he
ya I'll check it tomorrow but its not running rich and getting super hot. I'm going to pull the fuel pump fuse and run it on starter fluid at the throttle body. if it runs smooth that will tell me on of the injectors or more are stuck closed. they are a brand new set of ford racing 80lb. I think denso makes them. black with blue on them. I'll let you know if anything works. Thanks matt for all your help. hopefully I get this thing running soon.