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Re: car will not turn off
You have a bad ignition switch the mechanical part is operating but when it is turned off it is not pulling the switch to the off position, two things that I can think of can cause this. One is the rod that runs down the steering column is slightly bent from wear over time and allows it to start but when the rod moves in the reverse direction the bent rod is slightly to high to pull the switch to the off position. The other problem could be with the switch itself the return spring inside the switch could be broken so the switch does not turn off. You can remove the bottom kick panel and disconnect the battery then with a flash light look on the top of the column and see if you can see the rod moving when turning the key off and on if it's moving then it is the adjustment of the rod or the switch. To remove the switch you will have to drop the steering wheel down to get to the switch, you may be able to get to the switch without dropping the column but it will be harder to see what is wrong with it. There are two bolts that hold the switch on and has a multi flat connector on it you have to squeeze the two plastic ears on each end of the switch to release the wire harness. Then you will have to wiggle the connector loose
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Sounds like the anti theft system is active m try this process. Turn the key on. Do not attempt to start. Wait 10 minutes. Turn key off. Turn key on. Wit for theft light to go off. Now attempt to start.
My brother's 02 grand am 2.2L would not start. Car has spark, fuel pump works, good battery, plugs and plug boots new, new fuse for the fuel pump in the fuse block under the hood, everything seems to work but car won't start, crank sensor fine timing chain fine etc... The problem was a security issue. Security light on dash was blinking when trying to start the car but car won't start. The fix for me was Attempt to start the car by turning the key to the Start/Run Position. Observe that the vehicle fails to start and that the security light is blinking. Release key to the 'ON/Accessory' Position. (DO NOT turn key to the 'off' position.) Allow the vehicle to sit with the key in the 'ON/Accessory' Position for no less than 12 minutes. Turn key to off position and allow the vehicle to remain in the 'OFF' position for no less than 30 seconds. Then try to start the car. I was surprised this worked for me. 2002 pontiac grand am 2.2L. Hope this helps for you folks.
Do you notice anything unusual with the dash lights when you turn the key on. All the warning lights should illuminate. If they do not but then come on as you start to rotate the key into the start position than you probably have a bad ignition switch.
If you turn the key to the start position and hold it there (only do this for a few seconds) will the car stay running until you let go of the key? Another clue that the ignition switch may be bad.
if you turn the key to the start position and the vehicle starts slowly let the key rotate back to the run position until the starter disengages. If the vehicle continues to run let go of the key. If the vehicle stalls than the ignition switch is definitely bad.
Check fuel pump fuse and all other fuses, check brake switch, Also, a worn ignition switch will cause the car to start sometimes but not always. Try turning the switch to on position, then jiggle the key around in the switch while pushing in a bit...now start the car...did it start? If yes, replace switch and/or key cylinder....
you need to check all fuses one by one for loose contact.leave the igtion key to on position and try to tap the fuse box, shake wires from battery going to inside the car.A testlight is effective in diagnosting this trouble.Probing the wires on the ignition switch while turning on the key.Need somebody to observe the cluster while performing the troubleshooting.
BFC that body function controller. BFC batt fuse controls .the body function controller .its part of the PCM.the BFC controls anti theft system. your interior lights -drl lights- radio -door locks.if your check engine light is on take it to dealership.because your BFC and PCM works together. your car could shut off. that unsafe.when you on a busy highway.you have electrical problem.not a home fix.
Sounds like carbon build up on the contacts inside the electrical ignition switch which is not the key cylinder. Its located on the lower steering coluum if coluum shift or if you have a floor shift it will be inside the console
Add Duplicate Key (PK3 or PK3+ key)
1. Insert an existing key into the ignition cylinder. 2. Turn the ignition cylinder to ON (RUN) and back to OFF. 3. Remove the existing key and, within fifteen seconds, insert the new key and turn it to ON (RUN). 4. The security light will light up for two seconds to indicate success in programming the key into the vehicle. Originate New Master Key (PK3 or PK3+ key)
1. Insert new key into ignition cylinder and turn it to the ON (RUN) position. The security light on the dash will illuminate and stay on for ten minutes. 2. When the security light goes out, you have one minute to start the next step. Turn the ignition cylinder to OFF and then back to the ON (RUN) position. The security light on the dash will illuminate and stay on for ten more minutes. 3. When the security light goes out, you have one minute to start the next step. Turn the ignition cylinder to OFF and then back on the ON (RUN) position. The security light on the dash will illuminate and stay on for ten more minutes. 4. After the security light has gone off the third time, the key has been programmed into the vehicle’s computer and will operate the car. It has replaced ALL the previous electronic key codes and is the ONLY key programmed into the vehicle’s computer.
Add Duplicate Key (PK3 or PK3+ key)
1. Insert an existing key into the ignition cylinder. 2. Turn the ignition cylinder to ON (RUN) and back to OFF. 3. Remove the existing key and, within fifteen seconds, insert the new key and turn it to ON (RUN). 4. The security light will light up for two seconds to indicate success in programming the key into the vehicle.
1. Put the newly cut Master key into the keyway and turn it to the ON (RUN) position. A "security" indicator light on the dashboard will stay on for 10 minutes. 2. Within 1 minute after the indicator light goes off, turn the ignition to "OFF", then return to the ON (RUN) position. The indicator light again will stay on for 10 minutes (Do not remove the key.) 3. Again, within 1 minute after the indicator light goes off, turn the ignition to "OFF", then return to the ON (RUN) position. The indicator light again will stay on for 10 minutes. (Do not remove the key.) 4. When the light goes off the third time, the new key is programmed into the computer and will start the car. Remove the key and then re-insert it into the ignition lock and start the car. All previously stored codes will be erased. To stop the process at any time, simply remove the key and use an existing key to start the car.