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Old 05-09-2009, 01:28 PM   #1
lambertsti
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Default ecu restart every time i start the car

so we have a 96 legacy kicking around just put it on the road a few weeks ago but have not been able too pass inspection becasue the ecu is never in a ready state .........................so what could be the problem also had to take the dashboard out because of a shorted out wire (wondering if it could be a grounding wire that i forgot to hook up so something)
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Old 05-10-2009, 10:52 AM   #2
Cougar4
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You need to make sure that the ECU has constant power going to it for the memory. The monitors can take time to set and you need a minimum of them set in order for the testing to start. There are some driving proceedures that can be done to help speed the process up to set the monitiors but you would need to get a copy of them from the dealer service shop or possibly the IM testing station.
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Old 05-10-2009, 01:14 PM   #3
lambertsti
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so could someone tell me how many wires provide power to the ecu when the key is off. i could only see one on the diagram pin # 39 (to the ecu plug) from a sbf i have power too that pin with the key in the off postion. tested the grounds all seem to work

also the ecu will work with the car running but once u shut it down it will restart
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Old 05-11-2009, 09:03 PM   #4
Cougar4
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I would guess there is only one wire for the memory.
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Old 05-12-2009, 09:51 AM   #5
lambertsti
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i am going to pop in a new ecu i have from a parts car but i don't think that's going to be of any help ....................................anyone have any ideas for me hear
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Old 05-12-2009, 11:00 AM   #6
Cougar4
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If the ECU is getting good power to the lead for the memory then I don't know what else the trouble could be except in the ECU.
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Old 06-02-2009, 02:24 PM   #7
lambertsti
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ya its been i few weeks (have not had the time) so put in the new ecu and now the ecu still restarts every time the key shuts off but it will hold a check engine code now.......but all off the emisson stuff will restart so idk help me please .....
thanks
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Old 06-05-2009, 11:24 AM   #8
Cougar4
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I have since found out from another situation like this that there is a special exemption for the '96 because it doesn't store in memory. Check these out.

http://www.nj.gov/dep/bmvim/bmvim_obdvehicles.htm
http://www.epa.gov/OMS/regs/im/obd/r01015.pdf pdf page 31
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