about reset buttons
we have replaced the fuel pump on 2006 buick lucerene. now it will not start. is there a reset button we have to push
No reset button. Make sure the fuel pump is running when you turn the key to the on position. May not have power to the fuel pump.
Checked that and still will not start. How do we check to see if there is spark when it has coil packs
What size engine is this, and are there any spark plug wires or is it coil on plug...
v8 northstar engine coil packs
You pull a coil out and put a spark plug on the end of it and lay the spark plug onto something metal, like intake manifold, make sure the plug is touching ground and turn it over watching for spark at the electrode of the spark plug.
had to replace one coil pack know how do we reset the computer or do we need to reset it before we try to start it
we tried starting it and still will not start. it has gas going to all spark plugs. what can we check now or does computer need to be reset
You reset the codes with a scanner, but you can still start it without resetting the codes.
car will still not start
what else can we check
You should check with a noid light at the injector connectors to see if there is a voltage pulse. Since you have no codes to go by, this is going to be trial and error. But testing will keep cost to a minimum. One common cause would be the crankshaft sensor. There is a way to test a crankshaft sensor.
How do you check the crank shaft sensor. we do not have a noid light so that is out of question
You take it out, apply 12 V to one side of the terminal and ground on the other side of it. Then it becomes a magnet, so put it against something metal. Its a magnet at this point.
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