It could be a worn key, especially if the key is a copy. It could also be sticking tumblers from someone spraying oil in there. Oil thickens over time and eventually the tumblers will start to stick.
Try this, go to a good locksmith shop and explain the problem. He probably has some graphite based lubricant that you can put in the tumblers or maybe even a better idea. Also, he should be able to cut a key that is to original specs. It would be a lot cheaper than replacing the keyswitch.
Replace the ignition lock cylinder.
with ignition switch problems i find its easyer to replace the hole colum with another one from a junk yard, there is a lot of special tools to take a colum apart or just fork out the cash to have a lock smith to change it
How do you replace the ignition swith opn a 1992 Pontiac Bonneville se
computers are usually not the problem. The culprit is probably the ignition modual
No, not if it is not defective. If the ignition switch is defective then that is all you need to replace.
You can replace the ignition lock cylinder in your 1994 Pontiac Firebird without removing the steering will. Remove the retaining ring at the top of the ignition cylinder. The ignition cylinder will slide out.
ignition what? coil, swicth,module, lock cylinder? gm Jim
by the lower intake manifold while you are doing this you should replace the intake manifold gasket anyway because it will leak sooner or later.
By taking it to a GM certified auto technician.
take bulb out from behind light assembly, under hood. look for wires that is connected to light, this is where the bulb comes out.
The ignition switch is immediately behind and attached to the ignition lock cylinder. The ignition lock cylinder is where you place the key to start your vehicle. If you are haveing problems with your vehicle not starting and or turning the key, more than likely you need to replace the ignition lock cylinder. It is common for these to go bad in GM vehicles.
Begin by removing the retaining ring at the top of your 1990 Pontiac Bonneville ignition switch. The ignition switch will slide out. Remove the wiring harness from the end of the ignition switch. Reverse the process to install your new ignition switch.