View Full Version : bad ecu, no start?
spycake
04-11-2015, 09:10 AM
so i took some pictures and found these
car cranks, but wont turn on and fuel pump wont prime anymore.
http://s24.postimg.org/pcrck1tqd/DSCN1251.jpg
http://s13.postimg.org/si4k72imv/DSCN1250.jpg
bad dog
04-16-2015, 05:34 PM
the part looks like a zener diode , its function is to set the voltage level .
like if it is a 5 volt zener and you put 12 volts to it , it will limit the voltage to 5 volts .]
for it to get as hot as it looks i would say something was drawing a lot of current , could even be a short circuit to ground somewhere , either on the board or something outside the board like a wire shorted to ground .
don't know the year of your car or is it a manual or automatic tranny . ecm's on ebay are cheap . i have 2 spares for 97 automatic .
before you put on another ecm try and find out what caused the diode the get so hot or you will fry another one .
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