1990 corvette ecu problems
#1
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Join Date: Nov 2006
Location: Glen Rose ,TX
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1990 corvette ecu problems
ok so my freind got a 1990 corvette and the guys said the computer was fried so we put a new ecu in it but it wont fire. we tryed to reset the security with this key method we found. any ideas
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ok we started messing with it and it will it will turn over but wont start when u roll the windows down will turning the key. its not firing and the fuel pump wont turn on
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#11
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Noid lights are little plastic plugs with an LED in them, that tells you if the injector is getting a fire pulse, when you plug them in to the injector plug. If you have a Harbour Freight near you, you should be able to buy a set for $20, if its a VATS issue there will be no injection pulse. Did you check the fuel pressure? We all have to learn sometime
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#15
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Before..
There's likely some interface that powers the window circuit only when the key is in the on position??
Windows work w/ key in run position?
Windows work w/ key off?
A trip to the Vette forum may be in order....