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My 1993 buick lesabre wnt start. Changed the starter and its not that. Security light stays on. But it use to still start even with the light on. When I turn the key there is no clicking noise or anything. At first ithere would be an eree sounding noise, but nothin would happen. So what more should I check to fix this?
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When you say won't start do you mean it cranks n won't start or do you mean you turn the key all the way n won't crank I can help you but your question need to be more specifies good luck
The security system (VATS/PassKey) is having problems, it's typical on those cars/years. When the TDM starts failing, it will do it gradually and the car will begin to randomly don't start like yours is doing now and then gets worse with time up to a point that it won't start anymore. It's been a nightmare for us. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my 94 Park Avenue that has the same security system.
The TDM in the security system (VATS/PassKey) is having problems, it's typical on those cars. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.
Pull the starter and have it tested. I have purchased a bad one brand new before. If it passes the test make sure the block is clean where it bolts up. This is to make sure it grounds good. If all of this is good you need to check the ignition switch at the bottom of the steering column. Sometimes this switch will malfunction and not allow the key to engage the starter.
The coded key probably needs to relearn. Turn ignition to crank and release. Let sit in on position (engine off of coarse) for a full 10 min. turn off for 30 sec. and repeat 3 times engine should start. This procedure should take 30 min. so a booster is needed to maintain a full 12 volts. Do not attempt w/out a charger connected;
these cars have a antitheft system that will shut down fuel and crank. be sure to check to see if after the car ignition is on for 30 seconds and look to see if there is a security light on in the dash. if so then turn to crank if security light flashes your problem is that the chip in your key is not being transfered to the security module, so starter will not work. you will have to replace the pickup in the cylinder or bypass the security with proper resister
hi i jumbed started the car at the starter, the car would crank to start but the car would not run , but it will crank normal , but because the security light is flashing the car would not start, i tried to leave the ignition on for 10-15 minu but the light keep on flashing and the car still would not start , 1993 buick lesabre , now would it be the neutrul safty swich causing this, i tried to start in N but nothig happend , please give me a full answer
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