2002 f150 theft light flashing

One way to reset the system is to disconnect the battery. This will cause the system to lose power and reset. To do this, locate the negative terminal of your battery and remove the cable. Once the cable is removed, wait for about 5 minutes before reconnecting it. This should give the system enough time to reset.

2002 f150 theft light flashing. SOURCE: 2007 FORD EXPLORER SPORT TRAC 4X4 Change oil light on. Press and hold the SELECT/RESET. control switch to select SYSTEM. CHECK when "SYSTEM CHECK /. HOLD RESET" is displayed in the. message center. Selecting this. function from the SETUP MENU. causes the message center to cycle through each of the systems being.

01 F150 XLT 5.4L turns over but won't start, checked all fuses and relays, unhooked battery to reset PCM, the theft light is blinking, ... I have 2002 F150 5.4l king ranch. Speedometer intermittently working, Overdrive light flashing and odometer intermittent blank. Had two codes plus service light.

In this video I am showing you an easier way to get rid of your theft light problems caused by the ignition chip reader in your f-150 (may vary models) witho...Ford f150 theft light blinking won't start 5 diy easy steps of how to bypass anti theft system on ford f150 How to reset anti theft system in ford f150. ... 2002 Ford F150 Theft Light Flashing. Check Details. 2002 Ford F150 Key Programming. Check Details. F150 Keyless Entry Module Location | My XXX Hot Girl.General F150 Discussion - fuel relay clicking like crazy and theft light flashing truck wont start - my 2002 f150 was showing me that my oil pressure was fine but when truck just shut off I checked the oil and it wasn't even on stick. I added oil and reset comp by disconnecting pos. and neg for 10 min. wheni wen t to...Step 2: With the key in the combustion, wait for 10 minutes. Step 3: If the anti-theft light is not lighted, switch the key back to "Off," and remove it. Afterward, replace it with the second programmed key within 5 seconds. Step 4: Remove the second key and turn it on and off. Step 5: Not succeeding more than 10 seconds after inserting the ...To disable the flashing theft light in your car, insert your car key into the ignition and turn it on. It will activate your car accessories but not the engine. Confirm if the antitheft light has stopped blinking. If it has stopped, turn the key over to an off position and leave it for some minutes.Truck: 2002 F-150 XLT Supercab '02 F-150 pats code 16. Post by cj1972 » Thu Aug 10, 2017 2:15 pm. ... Other than that I saw nothing. I have started turning the key to ON and waiting to see if I get the rapidly flashing theft light before turning the key to START. Today I turned the key to on and the theft light was flashing but stopped. After ...

2002 F150, sport model, short bed, 4.2L v6, standard, 2x4, manual transmission, 108,500 miles. ... What is your THEFT light doing when the engine both starts and fails to start? ... (can't remember if it was blinking). It stayed on until I stopped the truck. It has not done this again. 3. You mentioned that the CEL does not come on. Be specific.I have a 2002 Ford F150. My instrument cluster is broke "long story" anyway I went to the junk yard and found another one with close to the same mileage. When I installed it my "THEFT" light is flashing and the truck won't start. I took off the + and - battery terminals for 10 min. and rehooked them hoping to reset the "THEFT" light but its ...Hot flashes are a common symptom of menopause, but they can also be a symptom of anxiety. How do you know what’s causing your hot flashes? You can find out here. Figuring out what’...Due to this, your new or old 2012 Ford F150 Theft light blinking won't start. You can easily resolve it by changing the PATS transceiver. You can easily resolve it by changing the PATS transceiver. A Ford F150 Forum user shared that such a situation can also be resolved by using a specialized tool like FORScan to read the codes from the PATS ...Seen several posts online about rapid flashing theft lights, and the no starts that come with it. Made a small clip describing how to decode it, and possible...Find out what makes an experience an NDE, who typically has them and how people have tried to explain them. Advertisement Near-death experiences (NDE­s) are common enough that they...My 2001 F150 Lariot 5.4 recently started having a problem with the anti theft light coming on and interfering with startup. No fuel being pumped by fuel pump. Come back 15 minutes later and it starts … read more1994 ford explorer. January 20, 2018. #19. Mine is 94 Explorer, no chip key , just blinking anti-theft light that I've never seen in 4 months since I've owned this vehicle but I haven't jacked up with a tire issue fix tires, now won't start anti-theft light. Join the Elite Explorers for $20 each year.

1994 ford explorer. January 20, 2018. #19. Mine is 94 Explorer, no chip key , just blinking anti-theft light that I've never seen in 4 months since I've owned this vehicle but I haven't jacked up with a tire issue fix tires, now won't start anti-theft light. Join the Elite Explorers for $20 each year.Ford module explorer theft anti case transfer ranger control system 2002 4x4 pats 1995 bypass eddie bauer rap 4wd 1997Answered: anti theft light blinking fast , engine won't start (ford Theft fixya buick rendezvous replace know disconnect actuatingHow to easily replace a signal light bulb on a 2004 ford escape..Asked by Ops29 Mar 23, 2017 at 12:29 PM about the 2010 Ford F-150 XLT. Question type: Maintenance & Repair. Anti Theft light flashing, dashes on distance to empty. Replaced the PCM and. still have same problem.In this video I am showing you an easier way to get rid of your theft light problems caused by the ignition chip reader in your f-150 (may vary models) witho...

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The theft indicator on top of the instrument panel will operate as. follows: - When the ignition is OFF, the theft indicator will flash briefly every 2. seconds to indicate the SecuriLock system is protecting your. vehicle. - When the ignition is turned to ON or START, the theft indicator will. light for 3 seconds and then go out.Theft light blinking rapidly 2002 ford Explorer 2 Answers. I have a 2002 Ford Explorer. The theft light rapidly blinks when turn the ignition to the start position. Try to crank it over and nothing happens. ... Used Ford F-150. 6,120 Great Deals out of 136,389 listings starting at $900. Used Ford Expedition.In this video I show you just how simple this fix is for what is becoming a common issue on the Ford Focus.Step 2: Turn on the ignition. Insert your car key into the ignition and turn it on just so that the accessories activate, but not the engine. Step 3: Do a secondary check on the anti-theft light. If it is no longer blinking, turn the key to the "off" position and let your car sit for a couple of minutes.When faced with a blinking check engine light on your Ford F-150, it's crucial to take immediate action. Follow these steps: Safely pull over: If you're driving when the light starts blinking, find a safe place to pull over and turn off the engine. Check gas cap: Ensure that the gas cap is tightly fastened.I noticed the "THEFT" light rapidly blinking. I did some reading here on FTE and tried a few things. Pushed the fuel inertia switch button by passenger footwell. I tried the reset PATS thing: (turn key to on, wait until rapid flashing "THEFT" ends, turn key off, wait 30sec, turn key on) -it cranks but no start. theft light still rapidly flashing.

The purpose of the theft light in Ford F150. The theft light in the Ford F150 serves as an indicator for the vehicle's anti-theft system. It is designed to deter theft and protect the vehicle from unauthorized access. How the theft light indicates issues with the alarm system. If the theft light in your Ford F150 is flashing rapidly, it ...If the theft light is flashing rapidly, you have an issue with the alarm system. (bad key, bad antenae in the key hole, wiring issue) If the car is turning over, but not starting and the theft light is steady, I would check your crankshaft position sensor.01 F150 XLT 5.4L turns over but won't start, checked all fuses and relays, unhooked battery to reset PCM, the theft light is blinking, ... I have 2002 F150 5.4l king ranch. Speedometer intermittently working, Overdrive light flashing and odometer intermittent blank. Had two codes plus service light.If you’re trying to reset the anti-theft light, just put your key into the ignition and turn it to “accessory mode.” This should switch on your truck’s electrical system without starting your engine. Keep your key in place for two to 10 minutes, and you should see your light turn off, indicating the system was rebooted.1997 - 2003 F150 - Theft Light Flashes When Driving - I have a 2001 F150 4.2 V6. Three days ago, I noticed the Theft light blinking while driving. At first, there was …1997 - 2003 Ford F150 - Cranks, No Start - THEFT Light Flashing - Help with PCM Dead or in Theft Mode - 2003 F150 5.4 - Cranks but doesn't start with the THEFT light flashing (code 12). Here's the story: Originally No Start/No Crank, THEFT light was NOT on. Thanks to all the threads on this board, diagnosed it as a...Method 1 of 3: Check your key and cylinder. Step 1: Check your key fob battery. Step 2: Check your door lock cylinder. Step 3: Check that you are using the proper key to start your car. Step 1: Check for the anti-theft light. Step 2: Turn the ignition to the "on" position. Step 3: Check the anti-theft light again.1997 - 2003 F150 - 1999 F150XLt anti-theft light blinking - Our truck is intermittently not starting. The ignition turns but doesn't catch. When it does start the anti-theft light blinks seven times and continues to do so. ... 2002 F-150 quit (anti-theft flashing) HogTied. 1997 - 2003 F150. 8. 07-13-2007 05:46 PM. 1999 Ranger XLT factory anti ...3. 12-15-2013 02:04 PM. Tags. 1997 - 2003 F150 - Theft Light? - The other night went to get into my truck, put the key in and started it. Cranked and cranked but would not even attempt to fire. Got out and let it sit then tried starting with aftermarket remote start, just cranked. hopped in and tried starting again and noticed that while I was...Theft ford f150 2003 light relay pump fuel flashing likely fail since future near time willF150 bypass fob distance pickup silicone trucksauthority lariat How to disable the anti-theft system on my 2000 ford f150Anti-theft alarm system malfunction.

Truck was running fine went to eat came out and won't start had it towed home had locksmith come out coded a new key theft light stopped blinking still won't start. Mechanic's Assistant: What's the approximate mileage on your 2002 F150? About 250000. Mechanic's Assistant: Is there anything else the Ford Mechanic should know before I connect ...

When the power goes out, you probably reach for a flash light—that is, if you can remember where you put it, find your way in the dark, and hope you remembered to change the batter...Such famous artworks as 'Mona Lisa' and 'The Scream' have been stolen and returned; some have never been found. Learn about 7 notorious art thefts. Advertisement Some people just c...1997 - 2003 F150 - 2002 f150 pcm, pats or short - I recently bought a 2002 f150. The cooling line under the intake blew and I had to remove the intake manifold to replace it. ... Theft Light Blinking and wont start!! jhuggs82. Excursion - King of SUVs. 20. 09-10-2015 10:15 AM. engine swap issues, pcm, dtr,obd2 won't scan. frustrated mechanic ...1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck. No start, dashes on odometer. Reply Subscribe . Thread Tools ... Edit: Theft light is not flashing My initial thoughts are failed GEM, does this sound likely? (before I pull the trigger)Theft light on. Won't run. Insert the key into the driver's side door lock. Turn the key once, but not all the way to unlock the door. Leave the key in this position for 40-60 seconds. ... Do this again, but turn the key in the opposite direction. Remove the key from the door, get into your Ford, and start the engine.If your 1999 F150's overdrive light is flashing, it's likely that the fuse has blown. To replace the fuse, first locate the fuse box under the hood. Once you've found it, remove the cover and locate the fuse labeled "OD.". Use a pair of needle-nose pliers to remove the old fuse and insert a new one in its place.I couldn't find it anywhere else so I'm putting it on YouTube hopefully to help someone out if they need it

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1997 - 2003 F150; theft light always on; 1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage ... Join Date: Aug 2002. Location: BC, Canada. Posts: 12,679 Likes: 0 ... despite the flashing Theft light. At times the timing was too late however and there would be a no crank condition.SOURCE: how do you reset the anti theft system. Try disconnecting your battery cables then wait about 10 minutes. The computer should reset itself. Reconnect the wires to the battery. It is normal for the theft light to blink about every 5 seconds when the ignition key is out or in the off position.1997 - 2003 F150 - 1999 F150XLt anti-theft light blinking - Our truck is intermittently not starting. The ignition turns but doesn't catch. When it does start the anti-theft light blinks seven times and continues to do so. ... 2002 F-150 quit (anti-theft flashing) HogTied. 1997 - 2003 F150. 8. 07-13-2007 05:46 PM. 1999 Ranger XLT factory anti ...I have a 2002 Ford F-150. 2 wheel drive. 4.2L. Manual. Went out and truck didn't start. Theft light was blinking. Turned key to on posistion and all the way back ( lock on steering column have to push with finger to get all the way back ). Did this 8x. On the 8th left it in the on posistion. Reset and truck started right upStep 2: With the key in the combustion, wait for 10 minutes. Step 3: If the anti-theft light is not lighted, switch the key back to “Off,” and remove it. Afterward, replace it with the second programmed key within 5 seconds. Step 4: Remove the second key and turn it on and off. Step 5: Not succeeding more than 10 seconds after inserting the ...This IS an anti theft system problem. An on-line search showed this quick fix: If the theft light is flashing fast and the odometer reads all dashes, switch ignition to "ON" and leave it. After several seconds the theft light will begin flashing in a sequence (mine is 1 flash, then 6 more flashes). The computer is resetting, so leave it alone.Ford theft light issue, no start 🔥🔥🔥| fix in 5 minutes | Ford cars problem#Fordtheftlightissue #Fordstartingproblems #fordproblemsThis video is about the ...Steve. Yes, theft light flashes really fast, and it was when we attempted to start the truck today. Tried the other key, and that didn't work, but they're not electronic locks either (not sure if that matters). Hi there Lisa. the theft lamp blinking like that indicates a concern with the Passive anti theft system (PATS system).2004 - 2008 Ford F150General discussion on the 2004 - 2008 Ford F150 truck. Anybody else have a vehicle that the theft light is blinking but it will still start? $2000 and 3 months and 4 tows later, i get my truck back from the dealer for the fourth time, and the theft light is blinking again now. It starts and runs just fine though.1997 - 2003 F150 - 2002 F-150 XLT 4.6L. Fast blinking theft light - Left the truck sitting for a couple of months while working out of town. I bought this truck used with only 1 key. We rebuilt the engine and had noise issues so we don't want to drive it much until this is resolved. I went out to start the truck to...2009 - 2014 Ford F150 - Anti-theft indicator light - So, I'm waiting last night in my truck with the key in the ACC position just listening to the radio. I noticed that the passive alarm or anti-theft indicator light keeps flashing which is rather annoying after a few minutes. It would be nice to be able to sit in the... ….

Due to this, your new or old 2012 Ford F150 Theft light blinking won't start. You can easily resolve it by changing the PATS transceiver. You can easily resolve it by changing the PATS transceiver. A Ford F150 Forum user shared that such a situation can also be resolved by using a specialized tool like FORScan to read the codes from the PATS ...Use a jack to raise both front wheels off the ground then try to turn the key and steering wheel to unlock them. Will that also get rid of the theft lift. Light. If the key can not turn from the off position there is no way to confirm the vehicle is in theft mode or not.2002 Ford F-150 anti theft light stays on truck turns over no start could it be computer I tried the key on and off. He - Answered by a verified Ford Mechanic. ... The anti theft light is flashing rapidly when I turn the key. The codes being thrown are B1601 and B1342.Truck (03 Lightning) won't start, and odometer just shows -----. Theft light flashes rapidly when key is first turned on, then does a 1 slow 6 fast three times, then stops flashing. Hand held cannot recognize truck. Odometer codes show D147 & D262 (converts to u1147 & u1262). Found this in a Ford TSB.Step 1: Check For The Anti-Theft Light. Step 2: Turn The Ignition To The "On" Position. Step 3: Check The Anti-Theft Light Again. Step 4: Start The Engine. Step 5: Repeat The Process. Method 3: Use The Key In Your Car Door. Step 1: Insert Your Key In The Lock On The Door. Step 2: Turn The Key. Step 3: Try To Start The Engine.1995 F-150 Ignition/Alarm Problem - Ford Truck Enthusiasts Aug 27, 2018 More results from www.ford-trucks.com It's easier than you might think. In most cases, the anti-theft system on a Ford F-150 can be reset by turning the vehicle to "accessory" mode and leaving the key in the ignition for several minutes until the anti-theft light shuts off.May 23, 2008 · This should take about 45 seconds, after which the THEFT light will flash multiple times about every 3 seconds. Turn the key off and remove the key from the ignition for 30 seconds. Insert the key and turn the ignition to the ON position. The THEFT light should illuminate for about 5 seconds and then go out.General F150 Discussion - fuel relay clicking like crazy and theft light flashing truck wont start - my 2002 f150 was showing me that my oil pressure was fine but when truck just shut off I checked the oil and it wasn't even on stick. I added oil and reset comp by disconnecting pos. and neg for 10 min. wheni wen t to... 2002 f150 theft light flashing, Failed ignition lock cylinder. Bad vehicle/integrity module (VIM) Starter interruption issue. A tripped alarm triggers anti-theft lockout. As you can see, there are a …, Security Light Flashing. Need Help. 05 F150 FX4 5.4L 3V engine died while driving. Will not turn over. Security light on dash blinks rapidly and the EVAP Canister surge Valve clicks and the Throttle Body motor vibrates and surges when key is turned to run. Check engine light is on and wrench light is on. Vehicle will not crank, turning the key ..., 2000 ford explorer wont start in cold 1999 ford f150 theft light flashing Theft won start expedition ford blinking light car fixya Turn signal flashers not working on a 2002 ford explorer sp. Fix Workshop; ... 2002 ford explorer theft light blinking. Answered: my tail lights work but my break lights don't work nor does2002 ford explorer wont ..., the anti-theft light blinks rapidly. Now the battery drains quickly. I found that the dash instruments panel remains lightly lit after ignition is off and key is removed or in the off position. A few days earlier while driving the the speedometer guage was going back and forth and then the overdrive light was flashing off and on., A slow flash is visible while the engine is off. This is an added theft deterrent and is by design. With the key in the run position (not running) the Light will function three different ways. A "Fast Flash" will alert you of an active fault and "Solid Light" indicates a stored fault. Both faults will disable the starting system., Theft light flashes dim every so often while driving. 3 posts • Page 1 of 1. brad72 New Member Posts: 16 Joined: Tue Mar 11, 2008 5:04 pm Location: St. Louis MO. ... Truck: 1998 F150 XL 2wd 4.2 Auto Location: Maryland. Post by thefordmaniac » Thu Jun 11, 2009 1:49 am., 1997 - 2003 Ford F150 - Theft light flashing - Hello to all. I just got a 2002 supercab 2wd 4.6L. I have been checking it out, cleaning, etc. the theft light is flashing . I also have a check enging light. The gas cap is missing and I have one ordered...thinking that may be the check engine light. I have not pulled..., 1. It is Built to Blink When Car is Off. One of the many reasons why car anti theft light is blinking when car is off is because it is built or designed to blink when car is off. Especially when no one is inside the car and the doors are locked from outside. If you're inside the car with the key with you., Blinking Theft Light. I did the usual 2 working keys + 1 new key programming. At the end, the THEFT light started blinking. The light should go off after 3 seconds. But it keeps blinking. I disconnected the (-)ive battery terminal. Still blinks. By the way, key programming was successful and the new key starts motor., SOURCE: 2001 ford taurus wont start and anti-theft light is blinking. Either you may be using a key that you had copied from the original or your chip went bad in your original key. Most of cars now a days have the key censor in the key so if it is the incorrect key it will not start your car or if it does not read that chip it will not start., I am getting a p0732 code on a 2007 Ford f150. Turn the key and just a click. 1993 Ford150 will start and run, however if killed it wont restart; When it's over 85 degrees outside while driving truck will stall please help, 6.4L Power Stroke Diesel - No start no crank security light on. SOLVED! - After 15 min my son-in-law mastered the problem!! Ford to this day has not figured it out. if your trk has a fast flashing security light, no crank. It all programing!! [email protected]., Once the oil has been changed in a Ford F150, if the oil change indicator light on the dash does not reset on its own, then the light should be manually turned off by resetting the..., 2002 f150 5.0 engine anti theft light is flashing fast and wont start. Mechanic's Assistant: Have you checked the fuses? Have you tried to reset the computer? Check all fuses how would you reset computer. Mechanic's Assistant: Are you fixing your F150 yourself? What have you tried so far?, Newer Light Duty Trucks. 2022+ F-150 Lightning; 2021+ F150; 2015 - 2020 F150; 2009 - 2014 F150; 2004 - 2008 F150; ... 2002 and 2003 - 2006 Ford Expedition and Lincoln Navigator Discussion ... It is greatly appreciated. One more piece of info. The flashing theft light doesn't always happen. It's inconsistent. I've been trying to find a pattern ..., F150 theft ford sparkys pcm pointing Ford theft light f150 2003 flashing sparkys answers Theft ford f150 light 2001 anti stays truck runs fine 1998 2007 ford f-150 ``theft `` lights decoding. eliminar bloqueo. ... 2002 Ford F150 Theft Light Flashing. Author Sunny O'Hara 08 Oct 2023 . Sparkys answers Ford 8bfc b32b Sparkys answers. …, Ford theft light issue, no start 🔥🔥🔥| fix in 5 minutes | Ford cars problem#Fordtheftlightissue #Fordstartingproblems #fordproblemsThis video is about the ..., 1997 - 2003 Ford F150 - No start, dashes on odometer - Hello all, I hope you're able to help. I just wanted to ask you all to make sure I am checking correctly. My 2004 Heritage 4.6l had a completely corroded fuse box. wipers would do what they wanted, AC didnt work, obvious leak when it rained near the drivers kick..., Re: 97 f150 anti theft system issues. by projectsho89 » Thu Nov 02, 2023 3:27 pm. For the short term, I'd disconnect the RAP module. You'll loose your entry courtesy lights (if they work) as well as remote keyless, power locks, and auto-relock. I suspect the latter are non-issues since they don't appear to work anyway., 1997 - 2003 Ford F150 - Help, my theft light keeps blinking and I can't start my truck - I am desperate for help. A year ago my truck got broken into and someone tried to steal it. The did something to my steering column. They were unable to steal it because of the security system. After that happened, occasionally..., Ford F150 Forum. The site for Ford truck owners, by Ford truck owners. Skip to content. Quick links. FAQ; F150 Forum. Ford F-150 / F-Series Generations. 1997 - 2003 Ford F-150. ... Turned the key forward...and NO …, 2002 f150 anti-theft light intermittently blinking. Okay my dad's truck will intermittently not start and when it won't the theft light will blink rapidly. If you turn the on a few times it will eventually recognize the key and the theft light will go off allowing the truck to start. We have replaced the keys but it still does the same thing ..., 04 f150 5.4 3v, Itermitent wont start. runs perfect then turn off for 20-30 min and wont start, cranks fine trys to hit a few times and theft light is flashing. Wait 1-2 hours and starts with theft li … read more, 2002 FORD F-150; 300,000 MILES; Disarm the anti-theft system. Monday, July 31st, 2017 AT 12:15 PM. 22 Replies. STEVE W. MECHANIC ... I have a f150 that was blinking the theft light. We replaced the pcm module. Some times the theft lights blinks and the engine will not start. If it sets for ten minuets it will start., Posted on Aug 23, 2010. Try turning the key from off to run ( do not start ) and wait 5 seconds, to see if the theft light on the cluster goes out. If it does, check the fuel pump relay and the fuse for the fuel pump, and the fuel inertia switch in the passenger side kick panel. If the light does not go out, as Ren1221 posted, try another key., Something to check out and a pretty cheap fix. 1997 - 2003 Ford F150 - '02 5.4 Theft Blinking Dashed Odo. - We have a '02 5.4 (170,000 miles) that has an intermittent problem where the theft light blinks fast, the odometer turns to dashes (------) and the truck will turn over but not start. Originally thought it was a PATS system problem., Mar 16, 2021 · Remove the ignition switch lock cylinder. 1 Insert the ignition key and turn to the RUN position. 2 Using a 1/8-inch drift through the access hole, press the ignition switch lock cylinder release pin while pulling out the ignition switch lock cylinder. Twist the tilt wheel handle and shank to remove., 2002 Ford F-150 anti theft light stays on truck turns over no start could it be computer I tried the key on and off. He - Answered by a verified Ford Mechanic. ... The anti theft light is flashing rapidly when I turn the key. The codes being thrown are B1601 and B1342., 1997 - 2003 Ford F150 - Cranks, No Start - THEFT Light Flashing - Help with PCM Dead or in Theft Mode - 2003 F150 5.4 - Cranks but doesn't start with the THEFT light flashing (code 12). Here's the story: Originally No Start/No Crank, THEFT light was NOT on. Thanks to all the threads on this board, diagnosed it as a..., 2002 F150 5.4L XLT SuperCab LB 4X4 3.55LS True Blue/Silver 2 Tone ... 2011 4:26 pm. Turn your ingnition on, the theft light should be flashing, after a few minutes the theft should go out, leave the ignition on for about 15 minutes, turn ignition off remove key, re-insert key and try to start., This should take about 45 seconds, after which the THEFT light will flash multiple times about every 3 seconds. Turn the key off and remove the key from the ignition for 30 seconds. Insert the key and turn the ignition to the ON position. The THEFT light should illuminate for about 5 seconds and then go out., SOURCE: 2001 ford taurus wont start and anti-theft light is blinking. Either you may be using a key that you had copied from the original or your chip went bad in your original key. Most of cars now a days have the key censor in the key so if it is the incorrect key it will not start your car or if it does not read that chip it will not start., If the theft light is flashing rapidly, you have an issue with the alarm system. (bad key, bad antenae in the key hole, wiring issue) If the car is turning over, but not starting and the theft light is steady, I would check your crankshaft position sensor.