Question about 2004 Ford F150

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The security system on my truck will not let me start my truck. and I cant find my spare key.

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Place key in ignition
turn key to run position
wait 10 minutes
turn key off
turn key on
start engine

Posted on Jun 14, 2009


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I lost key 2000 jetta how can I get it to start without having order new key right now cause can't afford it

Find the Key, Pray, Get praying friends to pray and who knows it may just turn up. Are you sure there is no other key around for it, (Previous owner?). Having security in the computer means replacing or resetting the system to insecure which costs about the same as the Key. Looks like you cant afford to NOT have a spare key.

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your security system might be on.

1. check battery.
2. using your key lock and unlock your drivers door couple of times and then try starting your car.
3.if no luck then try starting it with your spare key.
if starts with spare, then you need a new chip in your main key.
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How do you bridge-out the anti-theft security keeps kicking in and shutting down the van after starting

There is a problem detected within the security system by the security module. Try locking and unlocking the door with the key fob to reset the system. Sometimes locking and unlocking the drivers door using the key will reset the system as well. If still no luck, try the spare key to see if the security system accepts it

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Bypass security system

depends on design on unit, on most you can simply disconnect system power and youre good to go. other in line systems require un installing the unit. either way sounds like the system is causing more problems than its solving. i would suggest removing it entirely

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Are you using the original key? Have you tired the spare key? If you would like to bypass the VATS (vehicle anti- theft system) system fo to this link. How to bypass the VATS system in late model GM vehicle

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Security maybe ?

Do you have a spare Key ? The key is probably the most likely cause of your problem. Shorting the two main terminals of the starter motor will only make the starter spin, to engage the starter with th fly-wheel you need to short the main lead (usually the outer one) with the solenoid terminal (smaller terminal) However this will not energise th fuel solenoid etc that the security system also disables. You should have your key cloned at your local lock smith retailer before it fails all together. I am an auto-electrician and seen this many a time. good luck.

Nov 29, 2013 | 2000 Chevrolet Silverado 1500

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Why won't my 98 Ford explorer start? My theft

try using a spare key.

Either way if it starts or not with the spare key a trip to the ford dealer may be in your future. occasionally the security system will forget your keys. You can program them yourself but you will need two keys that work. If you have two keys that work let me know and I'll let you know how do do it.

If you do not have two keys that work than the ford dealer will have to reprogram your keys into the security system.

I’m happy to assist further over the phone at

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How do you disarm infiniti i 30 security system

Please check that the key is paired with the vehicle's security system. If you have a spare key, then please try that too.
Is there a flashing key symbol warning light on the dash when attempting to start? This could mean that there is a pairing issue, and that the security system needs reprograming.

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